Where does “womb-child” come from?

womb-child (English) comes from English Child, from Middle English childen, from Middle English -en, from Old English -en, from Old Norse -inn, from Proto-Norse -īna-, from Proto-Germanic -īnaz, from Proto-Indo-European -iHnos — adjectival suffix.

Ancestry of “womb-child”, step by step

womb-child traces back through two separate lines of ancestry.

via English Child

StepLanguageWordMeaning
1EnglishChildAlternative letter-case form of child "often used...
2Middle EnglishchildenTo deliver a child; to beget or procreate; To...
3Middle English-enDenotes the past participle form when attached to...
4Old English-enmæġþ + API → mæġden; cocc + API → cycen, cicen;...
5Old Norse-innUsed to create adjectives from nouns, meaning...
6Proto-Norse-īna-
7Proto-Germanic-īnaz-en
8Proto-Indo-European-iHnosCreates adjectives of materials
9Proto-Indo-European-no-adjectival suffix

via English womb

StepLanguageWordMeaning
1EnglishwombIn female mammals, the organ in which the young...
2Middle EnglishwombeThe stomach; The womb or uterus; the location...
3Old Englishwomb
4Proto-West Germanicwambuwomb
5Proto-Germanicwambōbelly, stomach, abdomen; womb
6Proto-Indo-Europeanwamp-membrane , intestines, womb
Every word from Proto-Indo-European -no-Every word from Middle English -enEvery word from Proto-Germanic -īnaz