ῥηΐτατα

From LSJ

οὐκ ἐπ' ἄρτῳ μόνῳ ζήσεται ἄνθρωπος → man will not live by bread alone (Matthew 4:4, Luke 4:4)

Source

Russian (Dvoretsky)

ῥηΐτατα: эп. superl. к ῥᾳδίως.