Where does “unchildishness” come from?

unchildishness (English) comes from English unchildish, from English childish, from Middle English childissh, from Old English ċildisċ, from Old English -isċ, from Proto-West Germanic -isk, from Proto-Germanic -iskaz, from Proto-Indo-European -iskos — Characteristic of, typical of, pertaining to.

unchildishness (English): The quality of being unchildish

Definitions

  1. The quality of being unchildish

Ancestry of “unchildishness”, step by step

unchildishness traces back through two separate lines of ancestry.

via English unchildish

StepLanguageWordMeaning
1EnglishunchildishNot childish
2EnglishchildishOf or suitable for a child; Behaving immaturely
3Middle Englishchildisshchildish, juvenile
4Old Englishċildisċchildish
5Old English-isċ-ish
6Proto-West Germanic-iskCreates adjectives from nouns
7Proto-Germanic-iskazForms adjectives from nouns with the sense of...
8Proto-Indo-European-iskosCharacteristic of, typical of, pertaining to

via English Ness

StepLanguageWordMeaning
1EnglishNessAn Ulster princess and the mother of Conchobar mac Nessa and Findchoem in the Ulster Cycle of Irish mythology. Daughter of Eochaid Sálbuide. Also the mother of Cormac Cond Longas by incest with Conchobar mac Nessa
2Middle Englishnesse
3Old Englishnæsnot, not at all; not; first/third-person singular...
4Proto-Germanicnasjąfoothill; headland; cape
5Proto-Indo-Europeannéh₂snose
Every word from Proto-Indo-European -iskos
unchildishness — Etymology, Origin & Word History | Etymology Explorer