The Austronesian Comparative Dictionary

Chance Resemblances: deep place in water

Dempwolff (1938) posited ‘Uraustronesisch’ *tubiR ‘deep place in the water’ (Wassertiefe), but the meaning in Central Philippine languages is consistently ‘water’ or ‘juice’, and no forms have been found that might be used to bridge the gap to the semantics of the language__Malay term.

WMP
Tagalog túbig water
Tausug ma-tubig watery, (of fruit) juicy
tubig water, juice (of a fruit), (with ) tears
Malay tubir declivity; cliff; steep river bank; very sloping beach
Mongondow tubig water, moisture, juice
Bikol ma-túbig watery
túbig water; a pond, puddle, pool