Strong’s Greek
G1638 — elaion
The entry below is Strong’s own definition (1890, public domain), and every verse where the word occurs.
ἐλαιών
elaion — pronounced el-ah-yone'
from 1636; an olive-orchard, i.e. (specially) the Mount of Olives:--Olivet. see GREEK for 1636
1 occurrence in the KJV.
Acts 1:12
Then returned they unto Jerusalem from the mount called Olivet, which is from Jerusalem a sabbath day’s journey.