Pronounced: cry-oh-FIL-ick, adj
Notes: I should have known the meaning; maybe you’ve worked it out?
The word senesce means “to grow old or decay”
Our word came into English in the mid-1600s
Background / Comments
As I noted yesterday, I was aware of a related word from my reading: senescence. It is the noun form of our word. Our word comes the the Latin word senescere (to grow old), which came from senex (old).