μονόλυκος
From LSJ
Νέος πεφυκὼς πολλὰ χρηστὰ μάνθανε → Dum floret aetas, disce, quod scitum decet → In jungem Alter lerne viel, was brauchbar ist
English (LSJ)
ὁ,
A solitary, i. e. singularly fierce, wolf, applied by Demosthenes to Alexander, Plu.Dem.23, cf. Ael.NA7.47. II as Adj., λύκος μ. Arat. 1124 [with 2nd syll. long].