Strong’s Greek
G3373 — mekuno
The entry below is Strong’s own definition (1890, public domain), and every verse where the word occurs.
μηκύνω
mekuno — pronounced may-koo'-no
from 3372; to lengthen, i.e. (middle voice) to enlarge:--grow up. see GREEK for 3372
1 occurrence in the KJV.
Mark 4:27
And should sleep, and rise night and day, and the seed should spring and grow up, he knoweth not how.