insenescence

in·se·nes·cence

(in'sĕ-nes'ens), The process of growing old. [L. insenesco, to begin to grow old]

in·se·nes·cence

(in'sĕ-nes'ĕns) The process of growing old. [L. insenesco, to begin to grow old]

insenescence

(ĭn″sĕ-nĕs′ĕns) [″ + senescens, growing old] The process of growing old or the approaching of old age.