Where does “ooplast” come from?

ooplast (English) comes from English oo, from Hawaiian ʻōʻō, from Proto-Polynesian *koho, from Proto-Oceanic *kojom.

Ancestry of “ooplast”, step by step

StepLanguageWordMeaning
1EnglishooThe Greek letter omega; Any of four Hawaiian...
2Hawaiianʻōʻōoo, the extinct members of the Moho genus of honeyeaters
3Proto-Polynesian*koho
4Proto-Oceanic*kojom
Every word from Proto-Oceanic *kojom