τὸ πλῆθος οὐκ εὐαρίθμητον ἦν → the crowd wasn't easy to count, the crowd was not small, it was not a small crowd
P. τέρμινθος, ἡ (Aristotle).
of terebinth, adj.: P. τερμίνθινος (Xenophon, anab. 4, 4).