Where does “withinside” come from?

withinside (English) comes 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, from Proto-Italic saitā — to satiate, satisfy.

withinside (English): Within, inside

Definitions

  1. Within, inside

Ancestry of “withinside”, step by step

withinside traces back through two separate lines of ancestry.

via English Side

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

via English within

StepLanguageWordMeaning
1EnglishwithinIn the inner part, spatially; physically inside;...
2Middle Englishwithinne
3Old Englishwiþinnanwithin
4Old Englishwiþagainst, opposite; along, towards; with
5Old Englishwiþertoward, against; again, against; against, in...
6Proto-West Germanicwiþrtoward, against
7Proto-Germanicwiþrątoward, against
8Proto-Indo-Europeanwī-tero-further apart
9Proto-Indo-Europeanwiapart, asunder; away from, against
Every word from Proto-Indo-European seh₂-
withinside — Etymology, Origin & Word History | Etymology Explorer