διὰ νήσων τὸν πλόον ἐποιεῦντο → they kept sailing through the islands
P. and V. οἰκεῖν, κατοικεῖν, ἐνοικεῖν (dat.), ἔχειν, νέμειν (rare P.), νέμεσθαι (mid.), Ar. and V. ναίειν, V. ἐνναίειν (dat.), ἐγκατοικεῖν (dat.).