βάκχα

From LSJ

ἔκδοτον σεαυτὴν τῷ σύροντι ποταμῷ τῶν πραγμάτων ἐᾶσαι → abandon yourself to the eddying flow of events

Source

Russian (Dvoretsky)

βάκχα: ἡ дор. = βάκχη.