Abbott-Smith Manual Greek Lexicon
ὑπέρακμος (G5230)
1 *† ὑπέρακμος , -ον past the bloom of youth : I Co 7:36 (Eustath.).†
G. Abbott-Smith, A Manual Greek Lexicon of the New Testament (1922) — public domain
Strong's G5230 · Greek
ὑπέρακμος
huperakmos · hoop-er'-ak-mos
from 5228 and the base of 188; beyond the "acme", i.e. figuratively (of a daughter) past the bloom (prime) of youth