ἀκμάζω G187
akmázō · ak-mad'-zo · Verb
from the same as ἀκμήν; to make a point, i.e. (figuratively) mature:--be fully ripe.
1 Occurrence in the King James Bible
Revelation 14:18And another angel came out from the altar, which had power over fire; and cried with a loud cry to him that had the sharp sickle, saying, Thrust in thy sharp sickle, and gather the clusters of the vine of the earth; for her grapes are fully ripe.