Where does “two-legged” come from?

two-legged (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.

two-legged (English): Having or furnished with two legs, or leg-like...

Definitions

  1. Having or furnished with two legs, or leg-like...

Ancestry of “two-legged”, step by step

two-legged 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 English legged

StepLanguageWordMeaning
1EnglishleggedHaving legs, or a certain type or number of legs;...
2Middle Englishlegged—
Every word from Proto-Indo-European dwóh₁ →