Vulkan

From LSJ

τό γε μὴν ἀόργητον ἀνδρός ἐστι σοφοῦ → and to be able also to subdue anger is the part of a wise man

Source

German > Latin

Vulkan, *mons, ex cuius vertice ignes erumpunt; *mons flammas eructans od. evomens.