Where does “kuku” come from?

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

Ancestry of “kuku”, step by step

StepLanguageWordMeaning
1Proto-Malayo-Polynesiankukuhnail
2Proto-AustronesiankuSkuSnail

Words derived from “kuku”

Every word from Proto-Austronesian kuSkuS →Every word from Proto-Malayo-Polynesian kukuh →