The Austronesian Comparative Dictionary

*taniq alone, in isolation, independent

PWMP taniq alone, in isolation, independent

WMP
Mongondow ton-taniʔ by oneself, alone, on one’s own
Bare'e tani independent, not connected with others
n-tani other, different
Uma ma-taniʔ alone (in a disapproving sense)
pa-taniʔ to segregate, seclude
Proto-Sangiric tani to isolate oneself, be alone