εὐρωστία

ἡ
A. stoutness, strength, Arist. Mir. 830a9, D.S. 17.88, PRyl. 235.8 (ii A.D.); τῆς ψυχῆς Plu. Cat.Mi. 44; personified, Εὐ. Ath.Mitt. 32.308 (Pergam.).
Liddell, Scott & Jones
A Greek-English Lexicon, 1940
An open-access project