Where does “noncomposure” come from?

noncomposure (English) comes from English non, from French non, from Old French non, from Latin nōn, from Old Latin noenum, from Proto-Indo-European óynos — one; single.

noncomposure (English): Lack of composure; The quality of being upset or worked up

Definitions

  1. Lack of composure; The quality of being upset or worked up

Ancestry of “noncomposure”, step by step

noncomposure traces back through two separate lines of ancestry.

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

via English composure

StepLanguageWordMeaning
1EnglishcomposureCalmness of mind or matter, self-possession; The...
2English-ureA process; a condition; a result of an action; An...
3Middle English-ureforms abstract nouns denoting actions or results
4Old French-ureused to form usually feminine, usually abstract...
5Latin-tūraing, -ure, -work
Every word from Proto-Indo-European óynosEvery word from Old Latin noenumEvery word from Latin nōn