Ibatan - alsem

The taste of something (ma-) is sour, tart.

ádat alsém

napa, labicit

Maalsemayaw kotayaya.

This tangerine tastes sour.

lingta sogpet

tami

Food or drink (om-) becomes sour.

Omalsem danayaw palek.

The rice wine already becomes sour (and becomes vinegar).

Someone makes something (-an) sour with a souring agent.

Alseman mo linanegaya so kalamansi.

Make the soupy viand sour with calamansi.