Where does “nonroutine” come from?

nonroutine (English) comes from English routine, from French routiné, from Old French -ine, from Latin -īnus, from Proto-Italic -īnos, from Proto-Indo-European -iHnos, from Proto-Indo-European -no- — adjectival suffix.

nonroutine (English): Not routine; A task that is not part of the...

Definitions

  1. Not routine; A task that is not part of the...

Ancestry of “nonroutine”, step by step

nonroutine traces back through two separate lines of ancestry.

via English routine

StepLanguageWordMeaning
1EnglishroutineA course of action to be followed regularly; a...
2Frenchroutinéroutine (all senses)
3Old French-ine
4Latin-īnusof or pertaining to; -ine
5Proto-Italic-īnosof/belonging to
6Proto-Indo-European-iHnosCreates adjectives of materials
7Proto-Indo-European-no-adjectival suffix

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 -no-