διὰ νήσων τὸν πλόον ἐποιεῦντο → they kept sailing through the islands
τυφλός, ἀεροειδής, ἠεροειδής, ἀέριος, ἠέριος, λοξός, θολερός, ἀμιχθαλόεις, ἀμαυρός, σκοτόεις, ὁμιχλώδης, ἀερόεις