Where does “Proto-Salishan” come from?

Proto-Salishan (English) comes from English proto, from English proto-, from Ancient Greek πρωτο-, from Ancient Greek πρῶτος, from Ancient Greek πρό, from Proto-Indo-European pró, from Proto-Indo-European per-, from Proto-Indo-European pr̥tós — passed , crossed.

Ancestry of “Proto-Salishan”, step by step

Proto-Salishan traces back through two separate lines of ancestry.

via English proto

StepLanguageWordMeaning
1EnglishprotoPrototypical; preceding the proper beginning of...
2Englishproto-first; most recent common ancestor of; Relating...
3Ancient Greekπρωτο-first, primary
4Ancient Greekπρῶτοςfirst; earliest; foremost, most prominent
5Ancient Greekπρόbefore; before, in front, forth, forward; before,...
6Proto-Indo-Europeanprótoward, leading to
7Proto-Indo-Europeanper-before, in front; first; to go through
8Proto-Indo-Europeanpr̥tóspassed , crossed

via English Salishan

StepLanguageWordMeaning
1EnglishSalishanOf or like any of the Salish peoples or their...
2Englishān
3Middle Englishāna, an indefinite article
4Old Englishānlonely; entirely alone, solitary, single; one
5Proto-West Germanicainone
6Proto-Germanicainazone; some
7Proto-Indo-Europeanóynosone; single
Every word from Proto-Indo-European pr̥tósEvery word from Proto-Indo-European per-Every word from Proto-Indo-European pró