*SET-U

English word origin

Etymology of RE

See at re.

2 source sectionsBrief source recordWiktionary 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

Alternative form of re (“regarding”).

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

See at re.

Inspect preserved source fields

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

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Source etymology 2

Original entry ↗
name

Initialism of Royal Engineers, a regiment in the British Army. · The station code of Rewari Junction railway station in India. · Abbreviation of Realencyclopädie der classischen Altertumswissenschaft.

symbol

Earth radius: the radius of planet Earth, regarded as a unit of measurement. · The radius of the Earth specifically.

noun

Initialism of recursively enumerable; the class of decision problems for which a “yes” answer can be verified by a Turing machine in a finite amount of time. See more at RE (complexity) on Wikipedia.Wikipedia · Initialism of religious education. · Initialism of rare earth. · Initialism of response element.

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

Abbreviations.

This page abbreviates 5 auxiliary source items. The etymology narrative is not shortened. Omission counts are available in the audit fields below; consult the original for complete auxiliary material.

Inspect preserved source fields

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

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Where this record stops

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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-UkU