Where does “ophthalmometric” come from?

ophthalmometric (English) comes from English ophthalmometry, from English -metry, 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...

ophthalmometric (English): Relating to ophthalmometry

Definitions

  1. Relating to ophthalmometry

Ancestry of “ophthalmometric”, step by step

ophthalmometric traces back through two separate lines of ancestry.

via English ophthalmometry

StepLanguageWordMeaning
1EnglishophthalmometryMeasurement of the visual acuity and refractive...
2English-metryForming nouns relating to measures and...
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 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
ophthalmometric — Etymology, Origin & Word History | Etymology Explorer