Where does “*skwel-” come from?

*skwel- (Proto-Germanic) comes from Proto-Indo-European sḱel-, from Proto-Indo-European ḱelh₁- — to warm up, to be hot; to warm up, be hot.

Ancestry of “*skwel-”, step by step

StepLanguageWordMeaning
1Proto-Indo-Europeansḱel-to be obligated, owe
2Proto-Indo-Europeanḱelh₁-to warm up, to be hot; to warm up, be hot

Words derived from “*skwel-

Every word from Proto-Indo-European ḱelh₁-Every word from Proto-Indo-European sḱel-