Unnumbered source etymology
Original entry ↗infix
Selected source glosses provide context, not a complete modern definition inventoryCombines with the prefixes for 1–9 to form complex prefixes referring to 21–29.
Etymology tree Proto-Indo-European *dwóh₁ Proto-Indo-European *dwi- Proto-Indo-European *déḱm̥ Proto-Indo-European *(h₁)wídḱm̥ti Proto-Hellenic *ewī́kəti Ancient Greek εἴκοσι (eíkosi)bor. English icosa- English -cosa- From icosa-, itself from words like icosagon and icosahedron, which ultimately derive from Ancient Greek εἴκοσι (eíkosi).
Relationships mentioned by the source
These are extracted mentions, not a timeline or a verified sequence of immediate parents.
- Derivation mentionεἴκοσιgrc
Inspect preserved source fields
Raw extraction fields are retained for auditing. Their order does not establish ancestry.
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"Reconstruction:Proto-Indo-European/dwi-#Proto-Indo-European:_two"
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"*déḱm̥",
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"*(h₁)wídḱm̥ti",
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