Where does “postnominal” come from?

postnominal (Romanian) comes from Romanian nominal, from French nominal, from Latin nōminālis, from Latin nōmen, from Latin est, from Proto-Indo-European h₁ésti, from Proto-Indo-European h₁es- — to be.

postnominal (Romanian): a word derived from a noun or an adjective

Definitions

a word derived from a noun or an adjective

Ancestry of “postnominal”, step by step

Step	Language	Word	Meaning
1	Romanian	nominal	nominal
2	French	nominal	nominal
3	Latin	nōminālis	nominal (of a name)
4	Latin	nōmen	name
5	Latin	est	third-person singular present active indicative...
6	Proto-Indo-European	h₁ésti	to be
7	Proto-Indo-European	h₁es-	to be

Every word from Proto-Indo-European h₁es- →Every word from Proto-Indo-European h₁ésti →Every word from Latin est →