耋 耋 die2
aged; in one's eighties

strokes 12
radical
老
老
strokes after radical 6
耄耋 耄耋 mao4 die2
extremely aged; gray and venerable

耄耋之年 耄耋之年 mao4 die2 zhi1 nian2
old age (in one's 80s, 90s, or more)