ἀποκνεῖν

From LSJ

οἱ τότε ἤρχοντο εἰς τὴν νῆσον → they were then coming to the island

Source

Greek > English (Woodhouse Verbs Reversed)

(see also ἀποκνέω): hesitate, revolt, shrink, be reluctant to, flinch from, hesitate to, shrink from

Lexicon Thucydideum

detreclare, to refuse, decline, 3.30.4, 6.92.5, 8.12.1,
metu desistere, to give up through fear, 3.20.2,
cunctari, to delay, 3.55.3, 4.11.4, Ibid. in the same place 6.18.1, 7.21.4.