ἀκκώ
From LSJ
Τραφὲν ὄρεσι καὶ φάραγξιν ἀγρίαις, κήρυξ πέφυκα τῆς λόγου ὑμνῳδίας. Φωνήν μὲν οὐκ ἔναρθρον, εὔηχον δ' ἔχω (Byzantine riddle) → Raised in the mountains and wild ravines, I have become the herald of hymns that are sung. I have no articulate voice...
English (LSJ)
ἡ,
A bogey, that nurses used to frighten children with, Plu. 2.1040b: acc. to others, vain woman, Zen.1.53.