-ensis

• -iēnsis

You can help Wiktionary by providing a proper etymology.

en-, variant of in-, + -sis.[1]

• (Classical) IPA^(key): /ˈen.sis/, [ˈẽː.sɪs]
• (Ecclesiastical) IPA^(key): /ˈen.sis/

-ēnsis m or f (neuter -ēnse); third declension

1. Of or from a place.

The suffix -ēnsis is added to a toponym (especially the name of a town) or to a topographical name, in order to form an adjective.

Examples:

‎Eborācum (“York”) + ‎-ensis → ‎eborācēnsis (“of or from York”)

‎castra (“camp”) + ‎-ensis → ‎castrēnsis (“of the camp”)

Third declension.

• -ānus / -īnus