Where does “US” come from?

US (Translingual) comes from English US, from Middle English us, from Old English ūs, from Proto-Germanic uns, from Proto-Indo-European n̥smé, from Proto-Indo-European éǵh₂ — I.

Ancestry of “US”, step by step

Step	Language	Word	Meaning
1	English	US	Initialism of unconditioned stimulus;...
2	Middle English	us	First-person plural accusative pronoun: us;...
3	Old English	ūs	us
4	Proto-Germanic	uns	accusative of *wīz; us
5	Proto-Indo-European	n̥smé	us
6	Proto-Indo-European	éǵh₂	I

Every word from Proto-Indo-European éǵh₂ →