Tinna

Etymology
From ; also a variant of.

Usage notes
Matronymics
 * son of Tinna: Tinnuson
 * daughter of Tinna: Tinnudóttir

Etymology
Possibly from, an extension of. If so, it would be related to and the river.

Proper noun

 * 1)  that flows into the Adriatic Sea, now the Tenna