The Austronesian Comparative Dictionary

*esek₁ crowded; crowd together

PMP esek₁ crowded; crowd together

WMP
Bare'e oso close together, crowded, with little room between
onco squeeze between others when there is not enough room
Makassarese assaʔ press against something, push something into a place, forcefully cram something in

POC osok crowded; crowd together

OC
Fijian vaka-osooso-taka crowd together
vaka-oso-ra to fill, as a crowd does
oso narrow, crowded; strait