ὄρειον
From LSJ
Παρθένε, ἐν ἀκροπόλει Τελεσῖνος ἄγαλμ' ἀνέθηκεν, Κήττιος, ᾧ χαίρουσα, διδοίης ἄλλο ἀναθεῖναι → O Virgin goddess, Telesinos from the deme of Kettos has set up a statue on the Acropolis. If you are pleased with it, please grant that he set up another
English (LSJ)
τό, = πολύγονον θῆλυ, mare's tail, Hippuris vulgaris, Plin. HN27.115. ὀρείονες, v. ὀρεᾶνες.