διὰ νήσων τὸν πλόον ἐποιεῦντο → they kept sailing through the islands
Χαλκίς, -ίδος, ἡ.
Man of Chalcis: Χαλκιδεύς, -έως, ὁ.
Of Chalcis, adj.: Χαλκιδικός.
