Liddell-Scott-Jones

ὑλακτέω (hulakteō) to bark ^G:V

ὑλακτέω-έω [ῠ],

used only in present and imperfect, except that [Refs 2nd c.AD+]aorist ὑλάκτησα: (ὑλάω):— bark, bay, howl, of dogs, ἱστάμενοι δὲ μάλ᾽ ἐγγὺς ὑλάκτεον [ὑλακτέωεῖν 5th-6th c.BC: Aristophanes Comicus “Vespae” 904; ὑ. περιτρέχων 5th c.BC: Eupolis Comicus 207 (of a man compared to a dog) ">Refs 8th c.BC+]; of hounds, give tongue, ὑ. περὶ τὰ ἴχνη [Refs 5th c.BC+]

__2 metaphorically, κραδίη δέ οἱ ἔνδον ὑλάκτει howled for rage, [Refs 8th c.BC+]; of a hungry stomach, yelp for food, νηδὺς ὑλακτέωοῦσα [Refs 1st c.AD+]
__2.b with accusative cognate, τοιαῦθ᾽ ὑλακτέωεῖ [Refs 5th c.BC+]; ἄμουσ᾽ ὑλακτέωῶν howling his uncouth songs, [Refs 5th c.BC+]
__II transitive, bark at, τινα [Refs 5th c.BC+]: metaphorically, bark or snarl at, [Refs 2nd c.BC+]; hence Vespasian called the Cynic Demetrius κύνα ὑλακτέωοῦντα, [Refs 2nd c.AD+]