Where does “mortificans” come from?

mortificans (Latin) comes from Latin mortificō, from Latin mors, from Proto-Italic mortis, from Proto-Indo-European mértis, from Proto-Indo-European mer- — to die; to disappear; sea, lake, wetland.

Definitions

Ancestry of “mortificans”, step by step

Step	Language	Word	Meaning
1	Latin	mortificō	to kill or mortify
2	Latin	mors	death; corpse; annihilation
3	Proto-Italic	mortis	death
4	Proto-Indo-European	mértis	death
5	Proto-Indo-European	mer-	to die; to disappear; sea, lake, wetland

Every word from Proto-Indo-European mer- →