Where does “antenado” come from?

antenado (Portuguese) comes from Portuguese -ado, from Old Portuguese -ado, from Latin -atus, from Proto-Italic -ātos, from Proto-Indo-European -éh₂tos — Forms adjectives from nouns, indicating the possession of a thing or a quality.

antenado (Portuguese): antennaed; aware of current events

Definitions

antennaed; aware of current events

Ancestry of “antenado”, step by step

Step	Language	Word	Meaning
1	Portuguese	-ado	forms the masculine singular past participle of...
2	Old Portuguese	-ado	-ed
3	Latin	-atus	-ed, -ate, -like; Form of -tus appended to nouns
4	Proto-Italic	-ātos	—
5	Proto-Indo-European	-éh₂tos	Forms adjectives from nouns, indicating the possession of a thing or a quality

Every word from Proto-Indo-European -éh₂tos →Every word from Portuguese -ado →Every word from Latin -atus →