ἀμεταμελήτως
From LSJ
τὸ δ' ἐξαίφνης τὸ ἐν ἀναισθήτῳ χρόνῳ διὰ μικρότητα ἐκστάν → suddenly refers to what has departed from its former condition in a time imperceptible because of its smallness
French (Bailly abrégé)
adv.
sans regret.
Étymologie: ἀμεταμέλητος.
Russian (Dvoretsky)
ἀμεταμελήτως: не раскаиваясь, без сожаления Aesop.