C, Do (the first note of the fixed-Do solfège scale)
köken: Etymology tree Proto-Indo-European *dwóh₁ Proto-Indo-Iranian *dwáH Persian دو Inherited from Middle Persian 𐭲𐭥𐭩𐭭 (tʿyn /dō/), from Proto-Iranian *dwáH, from Proto-Indo-Iranian *dwáH, from Proto-Indo-European *dwóh₁. Indo European cognates include Northern Kurdish du, Northern Luri دوو (doo), Pashto دوه (dwa), Avestan 𐬛𐬎𐬎𐬀 (duua), Sanskrit द्व (dvá), Hindi दो (do) / Urdu دو (do), Punjabi ਦੋ (do)…
το απόλυτο αριθμητικό, (ψηφίο 2) που ακολουθεί το ένα και προηγείται του τρία
köken: From Ancient Greek δύο (dúo), from Proto-Hellenic *dúwo, from Proto-Indo-European *duwó, *duwéh₃ (*dwóh₁). Compare Mariupol Greek дъы́я (ðýja), дъи́я (ðíja).
köken: Inherited from Old Hindi दो (do), from Sauraseni Prakrit 𑀤𑁄 (do), from Sanskrit द्व (dvá) (also duváu and duvā́), from Proto-Indo-Iranian *dwáH, from Proto-Indo-European *dwóh₁. Cognate with Marathi दोन (don), Gujarati બે (be), Bengali দুই (dui), Nepali दुई (duī), Konkani दोन (don), Punjabi ਦੋ (do), Maithili दू (dū), Bhojpuri दू (dū), and distantly English two.