From en and the base of poreuomai; a (wholesale) tradesman -- merchant.
see GREEK en
see GREEK poreuomai
1. equivalent to ὁ ἐπ' ἀλλοτρίας νεώς πλέων μισθοῦ, ὁ ἐπιβάτης; so Hesychius, with whom agree Phavorinus and the Schol. ad Aristophanes, Plutarch, 521; and so the word is used by Homer.
2. after Homer one on a journey, whether by sea or by land, especially for traffic; hence,
3. a merchant (opposed to κάπηλος a retailer, petty tradesman): Revelation 18:3, 11, 15, 23; ἄνθρωπος ἔμπορος (see ἄνθρωπος, 4 a.), Matthew 13:45 (WH text omits ἄνθρωπος). (the Sept. for סֹחֵד and רֹכֵל.)