עָ֫שֶׂר

From LSJ

τὸ ἀνάλημμα καὶ τὴν ἐπ' αὐτοῦ κερκίδα → the retaining wall and the wedge of theatre seats supported by it

Source

English (Strong)

masculine of term aasarah; from עָשַׂר; ten (as an accumulation to the extent of the digits): ten, (fif-, seven-)teen.