παρακαταβαίνω

A. dismount, of mounted infantry, Plb. 3.65.9; ἀπὸ τῶν ἵππων Id. 3.115.3, etc.
2. disembark from a ship, D.S. 3.40.
II. of a roof, project at the side, Ath.Mech. 13.6.
Liddell, Scott & Jones
A Greek-English Lexicon, 1940
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