From nake'; properly, a smiting, i.e. (concretely) an aromatic gum (perhaps styrax) (as powdered) -- spicery(-ces).
see HEBREW nake'
H5219. nekoth
נְכאֹת noun feminine a spice, (usually understood of tragacanth gum, exuding from astralagus bush, DiGenesis 27:25 and references; NowArchaeology i. 64 (and 249); compare also Löw§ 24; but = Arabic = summitas rubicunda sive flores plantae (i.e. a certain plant, Frey), according to HomAufsätze 4); — absolute ׳נ 37:25 ( + לּט צְרִי, as merchandise), 43:11 (+ id., also שְׁקֵדִים בָּטְנִים, דְּבַשׁ,, as gift).
נכד (√ of following, meaning uncertain; Ethiopic = gens, stirps, [compare Samaritan נגד Genesis 21:23]).