Strong's #65: agrielaios (pronounced ag-ree-el'-ah-yos)
from 66 and 1636; an oleaster:--olive tree (which is) wild.
Thayer's Greek Lexicon:
̓́
agrielaios
1) of or belonging to the oleaster or wild olive
2) the oleaster, wild olive tree
Part of Speech: adjective
Relation: from G66 and G1636
Usage:
This word is used 2 times:
Romans 11:17: "and thou, being a wild olive tree, wert grafted in among them, and"
Romans 11:24: "wert cut out of the olive tree which is wild by nature, and wert grafted"