Where does “nonmonotonic” come from?

nonmonotonic (English) comes 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.

nonmonotonic (English): Not monotonic

Definitions

  1. Not monotonic

Ancestry of “nonmonotonic”, step by step

nonmonotonic traces back through two separate lines of ancestry.

via English monotonic

StepLanguageWordMeaning
1Englishmonotonicof or using the Greek system of diacritics which...
2Ancient Greekμονότονοςmonotone
3Ancient Greekτόνοςrope, cord; chord; tone, note
4Proto-Hellenictónosrope, cord; tension
5Proto-Indo-Europeantónossomething stretched; chord, fiber, string
6Proto-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