Where does “granddaughter-in-law” come from?

granddaughter-in-law (English) comes from English granddaughter, from English daughter, from Middle English doghter, from Old English dohtor, from Proto-West Germanic dohter, from Proto-Germanic duhtēr, from Proto-Indo-European dʰugh₂tḗr, from Proto-Indo-European dʰewgʰ- — to produce, to produce something useful; to be...

granddaughter-in-law (English): The wife of one's grandson

Definitions

  1. The wife of one's grandson

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

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

via English granddaughter

StepLanguageWordMeaning
1EnglishgranddaughterThe daughter of someone's child
2EnglishdaughterOne’s female offspring; A female descendant; A...
3Middle EnglishdoghterA daughter; one's female offspring
4Old Englishdohtordaughter
5Proto-West Germanicdohterdaughter
6Proto-Germanicduhtērdaughter
7Proto-Indo-Europeandʰugh₂tḗrdaughter
8Proto-Indo-Europeandʰewgʰ-to produce, to produce something useful; to be...

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 dʰewgʰ-Every word from Proto-Indo-European dʰugh₂tḗrEvery word from Proto-Germanic duhtēr