Where does “onsides” come from?

onsides (English) comes from English sides, from English side, from Middle English side, from Old English sīde, from Proto-West Germanic *sīdā, from Medieval Latin sida, from Late Latin seta, from Latin saeta — to satiate, satisfy.

onsides (English): Onside: in a legal position with respect to the...

Definitions

  1. Onside: in a legal position with respect to the...

Ancestry of “onsides”, step by step

onsides traces back through two separate lines of ancestry.

via English sides

StepLanguageWordMeaning
1Englishsidesplural of side; Third-person singular simple...
2EnglishsideA bounding straight edge of a two-dimensional...
3Middle Englishsidecustom
4Old Englishsīdeside, flank
5Proto-West Germanic*sīdāside
6Medieval Latinsida
7Late LatinsetaAlternative form of saeta; hair, bristle; bristle
8Latinsaetaa bristle, hair on an animal; silk
9Proto-Italicsaitā
10Proto-Indo-Europeanséh₂ito-
11Proto-Indo-Europeansh₂ey-to bind, fetter
12Proto-Indo-Europeanseh₂-to satiate, satisfy

via English on

StepLanguageWordMeaning
1EnglishonIn the state of being active, functioning or...
2Middle Englishonon, in; on; Alternative form of oon
3Old Englishonon, in, at, among; from
4Proto-West Germanicanaon
5Proto-Germanic*an
6Proto-Germanicanaon, at; on, onto; ana
7Proto-Indo-Europeanh₂en-on, onto
Every word from Proto-Indo-European seh₂-