Where does “sponsio” come from?

sponsio (Latin) comes from Latin spondeō, from Proto-Italic spondeō, from Proto-Indo-European spondéyeti, from Proto-Indo-European spend- — to libate.

sponsio (Latin): solemn promise, bet, or agreement

Definitions

  1. solemn promise, bet, or agreement

Ancestry of “sponsio”, step by step

sponsio traces back through two separate lines of ancestry.

via Latin spondeō

StepLanguageWordMeaning
1Latinspondeōto promise, bind or pledge oneself, contract, vow
2Proto-Italicspondeōto promise, to pledge
3Proto-Indo-Europeanspondéyeti
4Proto-Indo-Europeanspend-to libate

via Latin spondere

StepLanguageWordMeaning
1Latinsponderepresent active infinitive of spondeō;...

Words derived from “sponsio

Every word from Proto-Indo-European spend-Every word from Proto-Indo-European spondéyetiEvery word from Proto-Italic spondeō