Strong’s Greek
G1095 — gerasko
The entry below is Strong’s own definition (1890, public domain), and every verse where the word occurs.
γηράσκω
gerasko — pronounced ghay-ras'-ko
from 1094; to be senescent:--be (wax) old. see GREEK for 1094
2 occurrences in the KJV.
John 21:18
Verily, verily, I say unto thee, When thou wast young, thou girdest thyself, and walkedst whither thou wouldest: but when thou shalt be old, thou shalt stretch forth thy hands, and another shall gird thee, and carry thee whither thou wouldest not.
Hebrews 8:13
In that he saith, A new covenant, he hath made the first old. Now that which decayeth and waxeth old is ready to vanish away.