Where does “tonometric” come from?

tonometric (English) comes from French tonométrique, from French métrique, from Latin metricus, from Latin metrum, from Ancient Greek μέτρον, from Ancient Greek -τρον, from Proto-Hellenic -tron, from Proto-Indo-European -trom — Derives agent nouns from verbs, denoting someone...

tonometric (English): Of or pertaining to tonometry

Definitions

  1. Of or pertaining to tonometry

Ancestry of “tonometric”, step by step

tonometric traces back through 3 separate lines of ancestry.

via French tonométrique

StepLanguageWordMeaning
1Frenchtonométriquetonometric
2Frenchmétriquemetric
3Latinmetricusmetrical; metric, metrical; metric
4Latinmetruma measure
5Ancient Greekμέτρονsomething used to measure: measure, rule, weight;...
6Ancient Greek-τρονForms instrument nouns
7Proto-Hellenic-tronForms instrument nouns from verb stems
8Proto-Indo-European-tromForms nouns denoting a tool or instrument
9Proto-Indo-European-tḗrDerives agent nouns from verbs, denoting someone...

via English tonometry

StepLanguageWordMeaning
1EnglishtonometryThe measurement of tension or pressure
2Englishtono-tone, tension or pressure
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 ic

StepLanguageWordMeaning
1Englishicrelated or pertaining to; having the character of
Every word from Proto-Indo-European -tḗrEvery word from Ancient Greek -τρονEvery word from Ancient Greek μέτρον