Where does “headless over heels” come from?

headless over heels (English) comes from English headless, from English -less, from Middle English -les, from Turkish -le, from Turkish ile, from Ottoman Turkish ایله, from Old Anatolian Turkish اِیلَه, from Proto-Turkic bile — with, together, also.

headless over heels (English): but while one or someone else is headless

Definitions

  1. but while one or someone else is headless

Ancestry of “headless over heels”, step by step

headless over heels traces back through two separate lines of ancestry.

via English headless

StepLanguageWordMeaning
1EnglishheadlessWithout a head; decapitated; Without leadership;...
2English-less(something); without (something). Added usually to a noun to form an adjective signifying a lack of that noun
3Middle English-lesLacking (something); without (something)
4Turkish-lewith, shortened form of ile; by, shortened form...
5Turkishilewith; and
6Ottoman Turkishایلهby
7Old Anatolian Turkishاِیلَه
8Proto-Turkicbilewith, together, also

via English head over heels

StepLanguageWordMeaning
1Englishhead over heelsTumbling upside down; somersaulting
Every word from Proto-Turkic bileEvery word from English -lessEvery word from Middle English -les