ἀταλαιπώρως

From LSJ

τὰ δὲ πεπερασμένα πεπερασμενάκις ἀνάγκη πεπεράνθαι πάντα → and the product of a finite number of things taken in a finite number of ways must always be finite

Source

Spanish

negligentemente

Russian (Dvoretsky)

ἀταλαιπώρως: без забот (ῥαδίως καὶ ἀταλαιπώρως Plut.).