Where does “side-wife” come from?

side-wife (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.

side-wife (English): A woman who has the potential to become one's...

Definitions

  1. A woman who has the potential to become one's...

Ancestry of “side-wife”, step by step

side-wife 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 wife

StepLanguageWordMeaning
1EnglishwifeA married woman, especially in relation to her...
2Middle EnglishwyfAlternative form of wif
3Old Englishwīfwife; woman, female, lady, wife; female
4Proto-West Germanicwībwoman; wife
5Proto-Germanicwībąwoman; wife
6Proto-Indo-Europeangʰwíh₂bʰ-shame, pudenda
Every word from Proto-Indo-European seh₂-Every word from Proto-Indo-European sh₂ey-Every word from Proto-Indo-European séh₂ito-