Meaning

noun either of two offspring born at the same time from the same pregnancy

noun (astrology) a person who is born while the sun is in Gemini

noun a waterfall in the Snake River in southern Idaho

originPIE word *dwóh₁ From Middle English twinne, twynne, from Old English ġetwin, ġetwinn (“twin, multiple”, noun) and twinn (“twin, two-fold, double, two by two”, adjective), from Proto-Germanic *twinaz (“double/two each, twin”), Proto-Germanic *twinjaz, *twīhnaz (“two each”), from Proto-Indo-European *dwino- (“twin”), from *dwóh₁ (“two”). Cognate with Scots twyn (“twin”), Dutch tweeling (“twin”),…

Etymology from Wiktionary, CC BY-SA 3.0