Where does “passenger-side” come from?

passenger-side (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.

passenger-side (English): On the side of a car corresponding to the front passenger's seat

Definitions

  1. On the side of a car corresponding to the front passenger's seat

Ancestry of “passenger-side”, step by step

passenger-side 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 passenger

StepLanguageWordMeaning
1EnglishpassengerOne who rides or travels in a vehicle, but who...
2Old Frenchpassagier
3Old Frenchpassagepassage part of a route or journey
4Old Frenchpasserto pass; to pass by
5Vulgar Latinpassareto walk, pass; step, walk, pass; present active...
6Latinpassusspread out; dried; step
7LatinpatiorI suffer, endure; I allow, acquiesce, permit,...
8Proto-Indo-Europeanpeh₁-to hate, hurt
Every word from Proto-Indo-European seh₂-