siak verb English. Splits wood to make narrower pieces, as firewood. Example sentence: Subanen. Siakay mau gayu. English. Cut me up some firewood. Example sentence: Subanen. Pembutusen su gayu, adun siaken. Metubus siakay, engkag mu dayun tu pedes. English. Wood is cut so that it can be split. After splitting, dry it in the sun. Synonym. gulay 2 Generic. bekla'