Greek word
hypérakmos
ὑπέρακμος
What it means
beyond the acme, i.e. figuratively past the bloom of youth
beyond the "acme", i.e. figuratively (of a daughter) past the bloom (prime) of youth
Where it comes from
from hypér (ὑπέρ) and the base of akmḗn (ἀκμήν)
How the King James translates it
Every place it appears 1
1 Corinthians7:36