κ481Καταβολή
onset
[Meaning] a recurrent grip of fever. "But after the Macedonians had closed, [?]from the onset, on the barbarians, they immediately broke ranks and began to flee."
Καταβολή· περιοδικὴ λῆψις πυρετοῦ. τῶν δὲ Μακεδόνων ἐκ καταβολῆς συνερεισάντων τοῖς βαρβάροις, εὐθέως ἐκκλίναντες ἔφευγον.