Where does “twosome” come from?

twosome (English) comes from English two, from Middle English two, from Old English twā, from Old English twēġen, from Proto-West Germanic twai-, from Proto-Germanic twai, from Proto-Indo-European dwóh₁ — two.

twosome (English): Being or constituting a pair; two; Twofold;...

Definitions

  1. Being or constituting a pair; two; Twofold;...

Ancestry of “twosome”, step by step

twosome traces back through two separate lines of ancestry.

via English two

StepLanguageWordMeaning
1EnglishtwoA numerical value equal to 2; this many dots;...
2Middle Englishtwotwo
3Old Englishtwātwo
4Old Englishtwēġentwo; twain
5Proto-West Germanictwai-two
6Proto-Germanictwaitwo
7Proto-Indo-Europeandwóh₁two

via Middle English twosome

StepLanguageWordMeaning
1Middle Englishtwosome

Words derived from “twosome

Every word from Proto-Indo-European dwóh₁Every word from Proto-Germanic twaiEvery word from Proto-West Germanic twai-