Where does “ametropia” come from?

ametropia (Portuguese) comes from Portuguese -ia, from Ancient Greek -είᾱ, from Ancient Greek -ής, from Proto-Indo-European -ēs, from Proto-Indo-European -ess, from Proto-Indo-European -os — Creates action nouns or result nouns from verbs;...

ametropia (Portuguese): ametropia any of several disorders of the eye resulting from faulty refractive ability

Definitions

  1. ametropia any of several disorders of the eye resulting from faulty refractive ability

Ancestry of “ametropia”, step by step

StepLanguageWordMeaning
1Portuguese-ia-ness; -ity; -y; -hood; -y; -ia; -ship
2Ancient Greek-είᾱSuperficially appears in abstract nouns derived from σ-stem adjectives, with the true suffix being
3Ancient Greek-ήςadjective suffix
4Proto-Indo-European-ēsPrimarily forms adjectival bahuvrīhi compounds
5Proto-Indo-European-ess
6Proto-Indo-European-osCreates action nouns or result nouns from verbs;...
Every word from Proto-Indo-European -osEvery word from Ancient Greek -ήςEvery word from Ancient Greek -είᾱ