-inus

• -ānus, -ēnus, -iānus, -ūnus

From Proto-Italic *-īnos, from Proto-Indo-European *-iHnos. Cognate with Ancient Greek -ινος (-inos) and Proto-Germanic *-īnaz.

• (Classical) IPA^(key): /ˈiː.nus/, [ˈiː.nʊs]
• (Ecclesiastical) IPA^(key): /ˈi.nus/, [ˈiː.nus]

-īnus m (feminine -īna, neuter -īnum); first/second declension

1. Of or pertaining to; -ine; usually indicates a relationship of position, possession, or origin.

The suffix -īnus is added to a noun base (especially a proper noun) to form an adjective.

Examples:

‎collis (“hill”) + ‎-inus → ‎collīnus (“of the hills, growing on a hill”)

‎fungus (“mushroom, fungus”) + ‎-inus → ‎fungīnus (“of a mushroom”)

‎Liguria (“Liguria”) + ‎-inus → ‎Ligurīnus (“Ligurian”)

First/second declension.

• -ēnsis, -icus