GRC

LSJ

prob. abbreviation of a name of a vessel, ἐλαίου φορω αʹ PCair. Zen. 12.104, cf. 114 (iii BC); ἐν φορω ib. 670.8 (iii BC).
Liddell-Scott-Jones, Greek-English Lexicon (9th ed., 1940)
memory