ἐτήσιον

From LSJ

Oἱ δὲ Ἀθηναῖοι ἦσαν ἐν μεγάλῳ κινδύνῳ... (adaptation of Herodotus 6.105) → The Athenians were in great danger...

Source

Russian (Dvoretsky)

ἐτήσιον: adv. из года в год, ежегодно (ἡμερίδας τρυγᾶν Anth.).