ἑκούσιον

From LSJ

Ἀλλ’ ἐσθ’ ὁ θάνατος λοῖσθος ἰατρός κακῶν → But death is the ultimate healer of ills

Sophocles, Fragment 698

English (Strong)

neuter of a derivative from ἑκών; voluntariness: willingly.

Russian (Dvoretsky)

ἑκούσιον: τό свободная воля Plat., Arst.