ἀπροόπτως
From LSJ
ὅσα ἦν νενοσσευμένα ὀρνίθων γένεα → as many species of birds as had their nests, all the other kinds of birds which had been hatched
French (Bailly abrégé)
adv.
à l'improviste.
Étymologie: ἀπρόοπτος.
Russian (Dvoretsky)
ἀπροόπτως: неожиданно, внезапно Plut.
Spanish
inconscientemente, inesperadamente, sin prever las consecuencias, de improviso