Where does “monotonia” come from?

monotonia (Latin) comes from Ancient Greek μονοτονία, 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.

Ancestry of “monotonia”, step by step

StepLanguageWordMeaning
1Ancient Greekμονοτονίαsameness of tone, monotony
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

Words derived from “monotonia

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