Where does “metafonia” come from?

metafonia (Portuguese) comes from Portuguese -fonia, 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;...

metafonia (Portuguese): metaphony sound change in which a vowel’s pronunciation is affected by another

Definitions

  1. metaphony sound change in which a vowel’s pronunciation is affected by another

Ancestry of “metafonia”, step by step

StepLanguageWordMeaning
1Portuguese-foniaphony
2Portuguese-ia-ness; -ity; -y; -hood; -y; -ia; -ship
3Ancient Greek-είᾱSuperficially appears in abstract nouns derived from σ-stem adjectives, with the true suffix being
4Ancient Greek-ήςadjective suffix
5Proto-Indo-European-ēsPrimarily forms adjectival bahuvrīhi compounds
6Proto-Indo-European-ess
7Proto-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