Where does “utak” come from?

utak (Malay) comes from Proto-Malayic *u(n)tək, from Proto-Malayo-Polynesian *hutək,*qutək,*qutak.

utak (Malay): Obsolete form of otak

Definitions

Step	Language	Word	Meaning
1	Proto-Malayic	*u(n)tək	—
2	Proto-Malayo-Polynesian	hutək,qutək,*qutak	—

utak — Etymology, Origin & Word History | Etymology Explorer