Where does “noninfantile” come from?

noninfantile (English) comes from English infantile, from Latin infantilis, from Latin īnfāns, from Latin īn-, from Latin în, from Latin en, from Proto-Italic en, from Proto-Indo-European h₁én — in.

noninfantile (English): Not infantile

Definitions

  1. Not infantile

Ancestry of “noninfantile”, step by step

noninfantile traces back through two separate lines of ancestry.

via English infantile

StepLanguageWordMeaning
1EnglishinfantilePertaining to infants; Childish; immature
2Latininfantilispertaining to an infant; infantile
3Latinīnfānsspeechless, inarticulate
4Latinīn-un-, non-, not
5Latinînin, at, on, upon, from (space)
6Latinenlookǃ beholdǃ; reallyǃ?; come onǃ
7Proto-Italicenin
8Proto-Indo-Europeanh₁énin

via English non

StepLanguageWordMeaning
1EnglishnonObsolete form of none
2Frenchnonno; not; a no, a negative response
3Old Frenchnonno; not; Alternative form of nom
4Latinnōnnot
5Old Latinnoenum—
6Proto-Indo-Europeanóynosone; single
Every word from Proto-Indo-European h₁én →Every word from Latin īn- →Every word from Proto-Italic en →