The Austronesian Comparative Dictionary

*tustús to hang down, to lower

PPh tustús to hang down, to lower

WMP
Casiguran Dumagat tostós to lower by rope (as to let down a fishline into the water, or to drop anchor)
Aklanon tústus to lower, let down, loosen
Maranao totos decrease, sink lower, diminish
Bikol mag-tustós to droop, hang down
tustós drooping, hanging down, extremely slack