Where does “nonmonotonicity” come from?

nonmonotonicity (English) comes from English monotonicity, from English monotonic, from Ancient Greek μονότονος, from Ancient Greek τόνος, from Proto-Hellenic tónos, from Proto-Indo-European tónos, from Proto-Indo-European ten- — to stretch, to extend.

nonmonotonicity (English): The condition of being nonmonotonic

Definitions

  1. The condition of being nonmonotonic

Ancestry of “nonmonotonicity”, step by step

nonmonotonicity traces back through two separate lines of ancestry.

via English monotonicity

StepLanguageWordMeaning
1EnglishmonotonicityThe state of being monotonic; "Said of a positive...
2Englishmonotonicof or using the Greek system of diacritics which...
3Ancient Greekμονότονοςmonotone
4Ancient Greekτόνοςrope, cord; chord; tone, note
5Proto-Hellenictónosrope, cord; tension
6Proto-Indo-Europeantónossomething stretched; chord, fiber, string
7Proto-Indo-Europeanten-to stretch, to extend

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 ten-Every word from Proto-Indo-European tónosEvery word from Proto-Hellenic tónos