οἰκτρά

From LSJ

Μία χελιδὼν ἔαρ οὐ ποιεῖ → One swallow does not a summer make

Aristotle, Nicomachean Ethics, 1098a18

Russian (Dvoretsky)

οἰκτρά: Hom. adv. posit. к οἴκτιστα.