נָעַר

From LSJ

ἀφυής πρὸς ταύτην τὴν σκέψιν → wanting wit for that speculation

Source

English (Strong)

a primitive root (probably identical with נָעַר, through the idea of the rustling of mane, which usually accompanies the lion's roar); to tumble about: shake (off, out, self), overthrow, toss up and down.
a primitive root; to growl: yell.