Etymology

one

O1N1E1

Today it means: The number represented by the Arabic numeral 1; the numerical value equal to that cardinal number. Full definition →

Middle English oon ← Old English ān ← Proto-West Germanic *ain
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one · numeral, pronoun, noun, adjective, determiner, verb1

  1. Middle English · inherited fromonen
  2. Proto-Indo-European · inherited from*h₁óynos“single, one”
  3. Proto-Germanic · inherited from*ainaz“one”
  4. Proto-West Germanic · inherited from*ain
  5. Old English · inherited fromān“one”
  6. Middle English · inherited fromoon
  7. English todayone

PIE word *h₁óynos Etymology tree Proto-Indo-European *ís? Proto-Indo-European *h₁óynos Proto-Germanic *ainaz Proto-West Germanic *ain Old English ān Middle English on English one From Middle English oon, on, oan, an, from Old English ān (“one”), from Proto-West Germanic *ain, from Proto-Germanic *ainaz (“one”), from Proto-Indo-European *h₁óynos (“single, one”). Doublet of a, an, and Uno. Cognate with Scots ae, ane, wan, yin (“one”); North Frisian ån (“one”); Saterland Frisian aan (“one”); West Frisian ien (“one”); Dutch een, één (“one”); German Low German een; German ein, eins (“one”); Danish en (“one”); Swedish en (“one”); Norwegian Nynorsk ein (“one”), Icelandic einn (“one”); Latin ūnus (“one”) (Old Latin oinos); Russian оди́н (odín), Spanish uno. False cognate of Malayalam ഒന്ന് (onnŭ), Tamil ஒன்னு (oṉṉu), ஒண்ணு (oṇṇu), ஒன்று (oṉṟu). The use as an indefinite personal pronoun may have been influenced by unrelated French on, although the Germanic languages widely use cognates for the same sense (usually in non-subject function, but also in subject function, e.g. Luxembourgish een). Verb form from Middle English onen.

one · particle, pronoun2

  1. Mandarin · semantic loan from的
  2. English todayone

Analogous to several senses of Hokkien 個/个 (ê) and Mandarin 的 (de, declarative particle, nominalizer, etc.). This semantic loan might have stemmed from the apparent similarity between one as a prop-word and 的 (de) or 個 /个 (ê) as a nominalizer (e.g. 青色的 (“the green one”)). Compare Cantonese 嘅 (ge³).

Words from the same roots

Old Englishān all →

aanyanAnsteyOnleyAncoatsa-

Proto-Germanic*ainaz all →

any

Proto-Indo-European*h₁óynos all →

uniformity

Etymology from Wiktionary, CC BY-SA 4.0.