ἀνόσως

From LSJ

Δελφῖνα νήχεσθαι διδάσκεις: ἐπὶ τῶν ἐν ἐκείνοις τινὰ παιδοτριβούντων, ἐν οἷς ἤσκηται → Teaching dolphins to swim: is applied to those who are teaching something among people who are already well versed in it

Source

Spanish

sin enfermedad

Russian (Dvoretsky)

ἀνόσως: безболезненно или в здоровом состоянии (πάσχειν τι Arst.).