Where does “pilegrim” come from?
pilegrim (Norwegian Nynorsk) comes from Old Norse pílagrímr, from Medieval Latin pelegrinus, from Latin peregrīnus, from Latin -īnus, from Proto-Italic -īnos, from Proto-Indo-European -iHnos, from Proto-Indo-European -no- — adjectival suffix.
pilegrim (Norwegian Nynorsk): a pilgrim
Ancestry of “pilegrim”, step by step