The Austronesian Comparative Dictionary

*baqak₁ split, break off

PMP baqak₁ split, break off

WMP
Tagalog baʔák split, halved
Aklanon báʔak cut bamboo lengthwise
Banggai baak break off, broken off
Bikol báʔak crevice, fissure, rift
CMP
Manggarai waʔak cut with a machete (banana shoots, etc.)
Sika baak fall down, of branches; fall off