Where does “cheerio” come from?

cheerio (English) comes from English cheer, from Middle English chere, from Anglo-Norman chere, from Old French chiere, from Latin cara, from Latin cārus, from Proto-Italic kāros, from Proto-Indo-European kéh₂ros — to desire, wish.

cheerio (English): Goodbye, an interjection said upon parting;...

Definitions

  1. Goodbye, an interjection said upon parting;...

Ancestry of “cheerio”, step by step

StepLanguageWordMeaning
1EnglishcheerA cheerful attitude; happiness; a good, happy, or...
2Middle Englishcherestate of mind as indicated by facial expression;...
3Anglo-Normanchere
4Old Frenchchiereface; oblique/nominative feminine singular of...
5Latincaranominative feminine singular of cārus; nominative...
6Latincārusdear, beloved
7Proto-Italickārosdear
8Proto-Indo-Europeankéh₂rosloved; dear
9Proto-Indo-Europeankeh₂-to desire, wish
Every word from Proto-Indo-European keh₂-