יָשִׁישׁ (yāšîš) is
a Hebrew adjective
meaning aged. It appears
4 times
in 1 book of the Hebrew Bible
(Strong's H3453).
Same Hebrew root (TWOT 931b)
Range of meaning (TWOT 931b)aged; old man; ancient, very old
Full entry: Brown-Driver-Briggs and Strong's
יָשִׁישׁadjective: aged
Strong's H3453יָשִׁישׁ: an old man KJV:(very) aged (man), ancient, very old.
Meanings: Brown-Driver-Briggs (1906) and Strong's Hebrew Dictionary (1890), public domain, via the Open Scriptures Hebrew Bible Project (CC BY 4.0). TWOT numbers for reference only.
Root family 931: ישׁשׁyšš — weak, impotent, weakness, impotence