Hesychios

<ἄριμος>· πίθηκος

Strabo 13.4

τοὺς πιθήκους φασὶ παρὰ τοῖς Τυρρηνοῖς ἀρίμους καλεῖσθαι

the monkeys are called by the Tyrrhenians Arimoi