Accusative case.[1]
[Meaning] a simpleton and a mindless person. It is said because of a certain fish, similar to the (?)sheatfish, so useless that not even a dog could make use of it.[2] [In book] four of Republic [Plato says]: "our condition was idiotic."[3] As someone might say of the breath from a marine creature, which is insensate. Others [derive it] from Blakeia, the place in Kyme, which Aristotle mentions.[4] And in Alexandria there is a blakennomion tax, which astrologers pay, because fools go to them.[5]
"They let [him], resting and being a fool [sc. as he was], go weep."[6]
And the accusative of the plural [is] bla/kas.
It [sc. the sense of this word] is a certain fool who does not know how to decide his affairs.