Where does “postilla” come from?

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

postilla (Spanish): scab; postil, marginal note

Definitions

  1. scab; postil, marginal note

Ancestry of “postilla”, step by step

postilla traces back through two separate lines of ancestry.

via Vulgar Latin pustella

StepLanguageWordMeaning
1Vulgar Latinpustella—
2Latinpustulainflamed sore, blister, pustule
3Finnishpus-—
4Proto-Indo-Europeanbew-"low-pitch humming noise"

via Latin post illa

StepLanguageWordMeaning
1Latinpost illa—

Words derived from “postilla”

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