πολυσθενής
From LSJ
λύχνον μεθ' ἡμέραν ἅψας περιῄει λέγων ἄνθρωπον ζητῶ → he lit a lamp in broad daylight and said, as he went about, I am looking for a man
English (LSJ)
ές,
A of great might, νηῶν ὅπλον Epic.Alex.Adesp.9 ii 11, cf. Luc.Trag.192, Q.S.2.205, al. σῐνής, ές, (σίνομαι) very hurtful, baneful, κύων A.Ch.446 (lyr.).