Where does “antalgesia” come from?

antalgesia (English) comes from English ȧnt, from Middle English ampte, from Old English ǣmete, from Proto-West Germanic āmaitijā, from Proto-West Germanic uʀ-, from Proto-Germanic uz-, from Proto-Indo-European uss-, from Proto-Indo-European uds- — out, outward.

Ancestry of “antalgesia”, step by step

antalgesia traces back through two separate lines of ancestry.

via English ȧnt

StepLanguageWordMeaning
1Englishȧnt—
2Middle EnglishampteAn ant; a formicid; A mantid
3Old Englishǣmete—
4Proto-West Germanicāmaitijāant
5Proto-West Germanicuʀ-out, over; off, away
6Proto-Germanicuz-up, out
7Proto-Indo-Europeanuss-—
8Proto-Indo-Europeanuds-up, out
9Proto-Indo-Europeanúdout, outward

via English algesia

StepLanguageWordMeaning
1Englishalgesiasensitivity to pain
2Frenchalgésie—
Every word from Proto-Indo-European úd →Every word from Proto-Indo-European uds- →Every word from Proto-Indo-European uss- →