Donau

Etymology
Borrowed from. The Middle Dutch name was.

Etymology
Attested in this form at least since 1544. From earlier (since 1530s, D under Low German influence), from earlier  (since late 15th c., o possibly also under Low German influence), from, perhaps under Slavic influence from earlier , , from , from something like  (cf. 🇨🇬, ), from  paretymologically attracted to , from , an extended form of the river-name , from , akin to.