Where does “isomer” come from?

Isomer comes from Ancient Greek σθένος and μείρομαι, ultimately derived from Proto-Indo-European (s)mer- meaning to divide or distribute.

isomer (English): Any of two or more compounds with the same...

Definitions

  1. Any of two or more compounds with the same...

Ancestry of “isomer”, step by step

isomer traces back through two separate lines of ancestry.

via English ISO

StepLanguageWordMeaning
1EnglishISOThe International Organization for Standardization
2Greekίσοςequal; having equal rights
3Ancient Greekἴσοςequal (to); equivalent (to); consistent (to); agreement (to)
4Ancient Greekδάκτυλοςfinger; measure of length, the breadth of a...
5Hebrewדקלpalm tree; date; dachshund
6GermanDackeldachshund; a similar-looking dog, e.g. a basset...
7GermanDachshunddachshund; a similar-looking dog, e.g. a basset...
8GermanDachsbadger; genitive singular of Dach
9Old High Germandahs
10Proto-West Germanicþahsbadger
11Proto-Germanicþahsuzbadger
12Proto-Indo-Europeantótḱus
13Proto-Indo-Europeantetḱ-to create, produce; to cut, hew
14Proto-Indo-Europeanteḱ-to sire, beget

via English mer

StepLanguageWordMeaning
1EnglishmerA repeat unit: a structural unit which through...
2EnglishpolymerA long or larger molecule consisting of a chain...
3Englishpoly-many; polymer
4Ancient Greekπολύςmany, a lot of; neuter πολύ or πολλά as...
5Ancient Greekπόροςa means of passage, passageway, way, opening;...
6Ancient GreekπείρωI pierce, run through; I cleave through
7Proto-Hellenic*péryō

Words derived from “isomer

Every word from Proto-Indo-European teḱ-
isomer — Etymology, Origin & Word History | Etymology Explorer