Where does “squalen” come from?

squalen (Middle English) comes from Old Norse skvala, from Proto-Germanic *skwel-, from Proto-Indo-European sḱel-, from Proto-Indo-European ḱelh₁- — to warm up, to be hot; to warm up, be hot.

Ancestry of “squalen”, step by step

StepLanguageWordMeaning
1Old Norseskvalato cry out
2Proto-Germanic*skwel-—
3Proto-Indo-Europeansḱel-to be obligated, owe
4Proto-Indo-Europeanḱelh₁-to warm up, to be hot; to warm up, be hot

Words derived from “squalen”

Every word from Proto-Indo-European ḱelh₁- →Every word from Proto-Indo-European sḱel- →Every word from Proto-Germanic *skwel- →