Where does “pustulella” come from?

pustulella (Latin) comes from Latin pustula, from Finnish pus-, from Proto-Indo-European bew- — "low-pitch humming noise".

Ancestry of “pustulella”, step by step

StepLanguageWordMeaning
1Latinpustulainflamed sore, blister, pustule
2Finnishpus-
3Proto-Indo-Europeanbew-"low-pitch humming noise"

Words derived from “pustulella

Every word from Proto-Indo-European bew-Every word from Finnish pus-Every word from Latin pustula