Kahnführer

From LSJ

ἐξ ὀνύχων λέοντα τεκμαίρεσθαι → judge by the claws, judge by a slight but characteristic mark, small traits give the clue to the character of a person, deduce something from a small indication, identify a lion from its claws

Source

German > Latin

Kahnführer, magister cymbae. – lintrarius (ICt. u. Inscr.).