Where does “chil” come from?

chil (Middle English) comes from Old English ċiele, from Proto-West Germanic *kali, from Proto-Germanic kaliz, from Proto-Indo-European ǵel- — to swallow; swallow.

Ancestry of “chil”, step by step

StepLanguageWordMeaning
1Old Englishċielecold; coldness
2Proto-West Germanic*kali—
3Proto-Germanickalizcold, coldness
4Proto-Indo-Europeanǵel-to swallow; swallow
Every word from Proto-Indo-European ǵel- →Every word from Proto-Germanic kaliz →Every word from Proto-West Germanic *kali →