Where does “kasangbahay” come from?

kasangbahay (Tagalog) comes from Tagalog Ka-, from Proto-Malayo-Polynesian ka-, from Proto-Austronesian ka- — inchoative.

Ancestry of “kasangbahay”, step by step

StepLanguageWordMeaning
1TagalogKa-implies companionship or partnership
2Proto-Malayo-Polynesianka-marker of past time in temporal expressions
3Proto-Austronesianka-inchoative

Words derived from “kasangbahay

Every word from Proto-Austronesian ka-Every word from Tagalog Ka-Every word from Proto-Malayo-Polynesian ka-