Strong’s Greek
G1094 — geras
The entry below is Strong’s own definition (1890, public domain), and every verse where the word occurs.
γῆρας
geras — pronounced ghay'-ras
akin to 1088; senility:--old age. see GREEK for 1088
1 occurrence in the KJV.
Luke 1:36
And, behold, thy cousin Elisabeth, she hath also conceived a son in her old age: and this is the sixth month with her, who was called barren.