τὸ πλῆθος οὐκ εὐαρίθμητον ἦν → the crowd wasn't easy to count, the crowd was not small, it was not a small crowd
P. καρτερία, ἡ. καρτέρησις, ἡ.
obstinacy: P. αὐθάδεια, ἡ, Ar. and V. αὐθαδία, ἡ.