Etymology

two

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Today it means: A numerical value equal to 2; the number following one and preceding three. Full definition →

Middle English two ← Old English twā ← Proto-West Germanic *twai-
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The story

  1. Proto-Indo-European · inherited from*dwóh₁
  2. Proto-Germanic · inherited from*twai
  3. Proto-West Germanic · inherited from*twai-
  4. Old English · inherited fromtwā
  5. Middle English · inherited fromtwo
  6. English todaytwo

PIE word *dwóh₁ From Middle English two, twa, from Old English twā, feminine and neuter of twēġen (whence twain), from Proto-West Germanic *twai-, from Proto-Germanic *twai, from Proto-Indo-European *dwóh₁. Cognates Cognate with Scots twa (“two”); North Frisian tou, tuu (“two”); Saterland Frisian twäin, two (“two”); West Frisian twa (“two”); Dutch twee (“two”); Low German twee, twei (“two”); German zwei, zwo (“two”); Danish and Norwegian to (“two”); Swedish två, tu (“two”); Icelandic tvö (“two”); Faroese tvey (“two”); Latin duō (“two”); Ancient Greek δύο (dúo, “two”); Irish dhá (“two”); Lithuanian dù (“two”); Russian два (dva, “two”); Albanian dy (“two”); Old Armenian երկու (erku, “two”); Sanskrit द्व (dvá, “two”); Tocharian A wu, Tocharian B wi. Doublet of duo. See also twain. Unrelated to resembling words in Austronesian languages, including Malagasy roa; Cebuano and Tagalog dalawa; West Coast Bajau and Minangkabau duo; Buginese ᨉᨘᨓ (dua); Indonesian, Iban, Iranun, Ilocano, Sundanese, and Malay dua; West Coast Bajau and Minangkabau duo; Fijian, Māori, Rapa Nui, and Rotuman rua; Niuean and Tongan ua; Hawaiian, Samoan, and Wallisian lua; South Marquesan 'ua. All of which originated from Proto-Austronesian *duSa.

Words from the same roots

Proto-West Germanic*twai- all →

Proto-Germanic*twai all →

Proto-Indo-European*dwóh₁ all →

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Etymology from Wiktionary, CC BY-SA 4.0.