-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/, [ˈiːnʊs̠]
• (Ecclesiastical) IPA^(key): /ˈi.nus/, [ˈiːnus]

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

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”) + ‎-īnus → ‎collīnus (“of a hill, growing on a hill”)

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

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

First/second-declension adjective.

• -ēnsis, -icus