air batu (Malay) comes from Malay air, from Proto-Malayic air, from Proto-Malayo-Chamic air, from Proto-Malayo-Sumbawan wair, from Proto-Malayo-Polynesian wahiʀ — water.
air batu (Malay): ice
Definitions
ice
Ancestry of “air batu”, step by step
air batu traces back through two separate lines of ancestry.