severidad
From LSJ
Τὸ νικᾶν αὐτὸν αὑτὸν πασῶν νικῶν πρώτη τε καὶ ἀρίστη. Τὸ δὲ ἡττᾶσθαι αὐτὸν ὑφ' ἑαυτοῦ πάντων αἴσχιστόν τε ἅμα καὶ κάκιστον. → Τo conquer yourself is the first and best victory of all, while to be conquered by yourself is of all the most shameful as well as evil
Spanish > Greek
αὐστηρότης, αὐστηρία, αὐστηρός, δεινότης, ἐμβρίθεια, ἀποτομία, ἀτεραμνίη, ἀκριβολογία, ἀπότομος, ἀκρίβεια, ἀνεπιείκεια, ἐμβρίθημα, βαρυθυμία