Where does “mortier” come from?

mortier (Middle French) comes from Old French mortier, from Latin mortarium, from Proto-Indo-European mer- — to die; to disappear; sea, lake, wetland.

Ancestry of “mortier”, step by step

Step	Language	Word	Meaning
1	Old French	mortier	—
2	Latin	mortarium	mortar; large basin in which mortar is made
3	Proto-Indo-European	mer-	to die; to disappear; sea, lake, wetland

Words derived from “mortier”

mortier
mortier

Every word from Proto-Indo-European mer- →Every word from Latin mortarium →Every word from Old French mortier →