[1] Both the headword itself and, hence, these glossing participles are feminine singular (accusative). What noun is associated or understood cannot be determined.
[2] Isaeus fr. 9 Sauppe. A Demosthenic context, however, does not proffer itself (as the '?' in Adler indicates); and since the entry as a whole derives from Harpokration s.v., the orthodox view -- noted by Theodoridis on Photius, Lexicon epsilon898 -- is that 'Demosthenes' has strayed in from the very next entry in Harpok.; see epsilon 1269. Alternatively [DW], 'Isaeus and Demosthenes' here might be a garbling of Harpok.'s 'Isaeus in the [speech] In reply to Aristogeiton and Archippos'.