ἐφόλκιον

τό
A. small boat towed after a ship, Moschio ap.Ath. 5.208f, Plu. Pomp. 73, Philostr. VA 4.32: pl., Str. 2.3.4.
2. generally, appendage, AP 7.67 (Leon.), Plu. Pomp. 40; of a verse or phrase, Aristid. 2.23 J. 330 J.; = sq. 2, Men. Pk. 380.
3. rudder, Hsch.
Liddell, Scott & Jones
A Greek-English Lexicon, 1940
An open-access project