A conflation, apparently, of Harpokration (and Photius) s.v. a)ni/drutos, which cites that nominative singular from Demosthenes (see next note), and another lexicographic tradition -- represented by the Lexica Segueriana -- which, as here, presents the nominative plural of that adjective (extracted from somewhere else) with a corresponding gloss.
[1] Demosthenes 25.52 (web address 1).