κοινοῦν

From LSJ

ἐνίοτε οἱ οἰκέται εἰς τὴν θάλασσαν ἐλαύνουσιν αὐτούς → sometimes the slaves ride them into the sea

Source

Greek > English (Woodhouse Verbs Reversed)

(see also: κοινόω) communicate, make partner

Lexicon Thucydideum

impertire, to share with, impart to, 1.39.3,
communicare, to share with (nuncium, consilium news, plan) cum aliquo, with someone, 2.72.2, 2.73.1, 3.95.2, 4.4.1, 5.38.2, 5.60.1, 8.48.3, [boni codd. Bekk. Goell. Arnold good manuscripts Bekker Goeller Arnold edition ἐκοινώνησαν].
MED. communiter agere, to act in concert, 8.8.1, [vulgo commonly ἐκοινωνοῦντο] 8.50.3, [hoc vulgo abest; ex Vat. Bekk. et Goell. addiderunt this commonly absent; Bekker and Goeller added from Vatican]. 8.82.3.