The Austronesian Comparative Dictionary

Words for impenetrable, invulnerable in Ngaju Dayak

tagoh

Loans
firm: steadfast, firm
WMP
Toba Batak togu strong, firm
Malay təgoh firm and strong (of tying a knot firmly; of backing up an agreement with promises); (fig.) dependable
Ngaju Dayak tagoh impenetrable, invulnerable
Javanese təguh sturdy, tough, determined (physically, morally)