*SET-U

English word origin

Etymology of less

Adverb from Middle English les, lesse, leasse, lasse, from Old English lǣs (“smaller, less”), from Proto-Germanic *laisiz, from Proto-Indo-European *leys- (“to shrink, grow thin, be gentle”). Cognate with Old Frisian lēs

2 source sectionsExtended source reportWiktionary original ↗
In this entry · 2 source sections

The source etymologies

Wiktionary via Kaikki / Wiktextract

The source reports below are imported and unreviewed by *SET-U. Separate numbered origins and differing source variants are preserved; agreement within this extraction is not independent corroboration.

Source etymology 1

Original entry ↗
prep

Minus; not including

noun

A smaller amount or quantity.

adj

Lesser; smaller.

det

comparative form of little: more little; of inferior size, degree or extent; smaller, lesser. · A smaller amount of; not as much. · Fewer; a smaller number of.

verb

To make less; to lessen.

adv

comparative degree of little · Used for constructing syntactic diminutive comparatives of adjectives and adverbs. · To a smaller extent or degree.

Selected source glosses provide context, not a complete modern definition inventory

Adverb from Middle English les, lesse, leasse, lasse, from Old English lǣs (“smaller, less”), from Proto-Germanic *laisiz, from Proto-Indo-European *leys- (“to shrink, grow thin, be gentle”). Cognate with Old Frisian lēs (“less”), Old Saxon lēs (“less”). According to Kroonen (2013), from a northern Indo-European root Proto-Indo-European *leh₂is- or *leh₃is-, which he connects to Lithuanian liesas (“lean”). Determiner and preposition from Middle English lees, lesse, leasse, lasse, from Old English lǣssa (“less”), from Proto-Germanic *laisizan-, from Proto-Germanic *laisiz (“smaller, lesser, fewer, lower”) (see above). Cognate with Old Frisian lessa (“less”). Verb from Middle English lessen, from the determiner. Noun from Middle English lesse, from the determiner.

Relationships mentioned by the source

These are extracted mentions, not a timeline or a verified sequence of immediate parents.

  • Inherited-form mentionlesenm
  • Inherited-form mentionlǣsang · smaller, less
  • Inherited-form mention*laisizgem-pro
  • Derivation mention*leys-ine-pro · to shrink, grow thin, be gentle
  • Cognate mentionlēsofs · less
  • Cognate mentionlēsosx · less
  • Derivation mention*leh₂is-ine-pro
  • Cognate mentionliesaslt · lean
  • Inherited-form mentionleesenm
  • Inherited-form mentionlǣssaang · less
  • Inherited-form mention*laisizan-gem-pro
  • Derivation mention*laisizgem-pro · smaller, lesser, fewer, lower
  • Cognate mentionlessaofs · less
  • Inherited-form mentionlessenenm
  • Inherited-form mentionlesseenm
Inspect preserved source fields

Raw extraction fields are retained for auditing. Their order does not establish ancestry.

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    },
    {
      "name": "inh",
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      },
      "expansion": "Old English lǣs (“smaller, less”)"
    },
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      },
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    },
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      },
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    },
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      },
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    },
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      "name": "cog",
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      },
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    },
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    },
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      },
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    },
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    },
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    },
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      },
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    },
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      },
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    },
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      "les#Middle_English:_less"
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      "leasse#Middle_English"
    ],
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      "lasse",
      "lasse#Middle_English:_less"
    ],
    [
      "lǣs",
      "læs#Old_English"
    ],
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      "*laisiz",
      "Reconstruction:Proto-Germanic/laisiz"
    ],
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      "*leys-",
      "Reconstruction:Proto-Indo-European/leys-"
    ],
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      "lēs",
      "les#Old_Frisian"
    ],
    [
      "lēs",
      "les#Old_Saxon"
    ],
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      "Reconstruction:Proto-Germanic/laisizan-"
    ],
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      "*laisiz",
      "Reconstruction:Proto-Germanic/laisiz"
    ],
    [
      "lessa",
      "lessa#Old_Frisian"
    ],
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      "lessen",
      "lessen#Middle_English"
    ],
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      "lesse",
      "lesse#Middle_English"
    ]
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Source etymology 2

Original entry ↗
conj

unless

Selected source glosses provide context, not a complete modern definition inventory

From Middle English lesse, les, from Old English lǣs, as in þȳ lǣs þe.

Relationships mentioned by the source

These are extracted mentions, not a timeline or a verified sequence of immediate parents.

  • Inherited-form mentionlesseenm
  • Inherited-form mentionlǣsang
Inspect preserved source fields

Raw extraction fields are retained for auditing. Their order does not establish ancestry.

{
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      "args": {
        "1": "en",
        "2": "enm",
        "3": "lesse"
      },
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    },
    {
      "name": "inh",
      "args": {
        "1": "en",
        "2": "ang",
        "3": "lǣs"
      },
      "expansion": "Old English lǣs"
    }
  ],
  "links": [
    [
      "lesse",
      "lesse#Middle_English"
    ],
    [
      "les",
      "les#Middle_English"
    ],
    [
      "lǣs",
      "læs#Old_English"
    ],
    [
      "þȳ lǣs þe",
      "þy læs þe#Old_English"
    ]
  ],
  "references": [],
  "descendants": [],
  "lexical": [
    {
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}

Where this record stops

This page does not supply an independently verified sound-change sequence, first-use manuscript or complete family tree unless a cited analysis explicitly establishes one. Missing detail here is a limit of this record—not a claim that humanity knows nothing more.

An older meaning does not determine what a word must mean today. Follow the sources, preserve disagreements, and keep ancestry separate from interpretation.

Contribute located evidence for less →

Source and snapshot

Imported from Wiktionary contributors; extracted by Tatu Ylonen / Wiktextract / Kaikki.org. Selected fields are reformatted and grouped; wording, source identity and etymology sections are retained. CC-BY-SA-4.0 applies to the imported source material.

Dump: 2026-10-01 · Extracted: 2026-10-30. These are snapshot dates, not the word’s first attestation or the page’s revision date.

Source entry and bibliography ↗Wiktionary revision history ↗Acquisition and rights ledger
Machine-source provenance
Source SHA-256
5ff2c072f8099f2d2ce484bd6957bf179f046d2ad37bc36555edf8bb84cb5291
Import run
73216b9a9b78ed3830994bf853103716f5a4dc57099e371e9f8fdc468facca26
Permanent entry ID
w-bGVzcw