Where does “Woo” come from?

Woo is an English word of unknown ultimate origin, possibly connected to Mandarin 武 meaning "martial" or "military," though the etymological path remains uncertain.

Ancestry of “Woo”, step by step

Step	Language	Word	Meaning
1	Middle English	wowen	—
2	Old English	wōgian	to woo, court, marry
3	Proto-Germanic	wanhō	a bend, turn, corner, angle, curve, incline
4	Proto-Indo-European	wonk-	crooked, bent
5	Proto-Indo-European	wā-	to move , to move so as to bend, turn; to bend,...

Every word from Proto-Indo-European wā- →

Woo — Etymology, Origin & Word History | Etymology Explorer