Where does “wife-in-law” come from?

wife-in-law (English) comes from English wife, from Middle English wyf, from Old English wīf, from Proto-West Germanic wīb, from Proto-Germanic wībą, from Proto-Indo-European gʰwíh₂bʰ- — shame, pudenda.

wife-in-law (English): A wife in law only, such as one who has abandoned her husband

Definitions

  1. A wife in law only, such as one who has abandoned her husband

Ancestry of “wife-in-law”, step by step

wife-in-law traces back through two separate lines of ancestry.

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

via English in-law

StepLanguageWordMeaning
1Englishin-lawA relative by marriage (or through affinity)
2English-in-lawRelated through marriage
3Englishmother-in-lawThe mother of one's spouse; A mother-in-law...
4Middle Englishmoder in lawemother-in-law
Every word from Proto-Indo-European gʰwíh₂bʰ-Every word from Proto-Germanic wībąEvery word from Proto-West Germanic wīb