Where does “Bosphorus” come from?

Bosphorus (Medieval Latin) comes from Ancient Greek Βόσπορος, from Ancient Greek πόρος, from Ancient Greek πείρω, from Proto-Hellenic *péryō.

Ancestry of “Bosphorus”, step by step

StepLanguageWordMeaning
1Ancient GreekΒόσποροςBosporus
2Ancient Greekπόροςa means of passage, passageway, way, opening;...
3Ancient GreekπείρωI pierce, run through; I cleave through
4Proto-Hellenic*péryō—

Words derived from “Bosphorus”

Every word from Proto-Hellenic *péryō →Every word from Ancient Greek πείρω →Every word from Ancient Greek πόρος →