Where does “azobenzeno” come from?

azobenzeno (Portuguese) comes from Portuguese benzeno, from German Benzin, from German -īn, from Latin -īnus, from Proto-Italic -īnos, from Proto-Indo-European -iHnos, from Proto-Indo-European -no- — adjectival suffix.

Ancestry of “azobenzeno”, step by step

StepLanguageWordMeaning
1Portuguesebenzenobenzene
2GermanBenzinpetrol, gasoline
3German-īncreates the female form for many nouns for living beings; umlaut usually occurs in monosyllables, but rarely in polysyllables
4Latin-īnusof or pertaining to; -ine
5Proto-Italic-īnosof/belonging to
6Proto-Indo-European-iHnosCreates adjectives of materials
7Proto-Indo-European-no-adjectival suffix
Every word from Proto-Indo-European -no-
azobenzeno — Etymology, Origin & Word History | Etymology Explorer