Where does “kuku” come from?

kuku (Proto-Eastern Malayo-Polynesian) comes from Proto-Central-Eastern Malayo-Polynesian kuku, from Proto-Malayo-Polynesian kukuh, from Proto-Austronesian kuSkuS — nail.

Ancestry of “kuku”, step by step

StepLanguageWordMeaning
1Proto-Central-Eastern Malayo-Polynesiankuku—
2Proto-Malayo-Polynesiankukuhnail
3Proto-AustronesiankuSkuSnail

Words derived from “kuku”

Every word from Proto-Austronesian kuSkuS →Every word from Proto-Malayo-Polynesian kukuh →Every word from Proto-Central-Eastern Malayo-Polynesian kuku →