Where does “chrono” come from?

chrono (French) comes from French chronomètre, from French -mètre, from Ancient Greek μέτρον, from Ancient Greek -τρον, from Proto-Hellenic -tron, from Proto-Indo-European -trom, from Proto-Indo-European -tḗr — Derives agent nouns from verbs, denoting someone...

chrono (French): timer; time

Definitions

  1. timer; time

Ancestry of “chrono”, step by step

chrono traces back through two separate lines of ancestry.

via French chronomètre

StepLanguageWordMeaning
1Frenchchronomètrestopwatch; chronometer; timer
2French-mètre-meter
3Ancient Greekμέτρονsomething used to measure: measure, rule, weight;...
4Ancient Greek-τρονForms instrument nouns
5Proto-Hellenic-tronForms instrument nouns from verb stems
6Proto-Indo-European-tromForms nouns denoting a tool or instrument
7Proto-Indo-European-tḗrDerives agent nouns from verbs, denoting someone...

via Ancient Greek Χρόνος

StepLanguageWordMeaning
1Ancient GreekΧρόνοςtime (in the abstract sense)
Every word from Proto-Indo-European -tḗrEvery word from Ancient Greek -τρονEvery word from Ancient Greek μέτρον