Where does “*ruᴺku(ˀp/ˀk)” come from?

*ruᴺku(ˀp/ˀk) (Proto-Munda) comes from Proto-Austroasiatic *rŋkoːʔ.

Ancestry of “*ruᴺku(ˀp/ˀk)”, step by step

Step	Language	Word	Meaning
1	Proto-Austroasiatic	*rŋkoːʔ	—

*ruᴺku(ˀp/ˀk) — Etymology, Origin & Word History | Etymology Explorer