Where does “pelgrimage” come from?
pelgrimage (Dutch) comes from Middle Dutch pelgrimage, from Old French pelerinage, from Old French pelerin, from Ecclesiastical Latin pelegrinus, from Latin peregrīnus, from Latin -īnus, from Proto-Italic -īnos, from Proto-Indo-European -iHnos — adjectival suffix.
pelgrimage (Dutch): pilgrimage
Ancestry of “pelgrimage”, step by step