Where does “salpetre” come from?

salpetre (Old French) comes from Medieval Latin salpetra, from Latin sāl petrae.

Ancestry of “salpetre”, step by step

StepLanguageWordMeaning
1Medieval Latinsalpetra—
2Latinsāl petrae—

Words derived from “salpetre”

Every word from Latin sāl petrae →Every word from Medieval Latin salpetra →