BDB3836
יָשִׁישׁ adjective aged, only Job (Late Hebrew once יָשִׁישִׁים old, venerable men, Levy Jastr); — absolute יָשִׁישׁ Job 15:10 plural יְשִׁישִׁים Job 32:6 + 2 t.; — aged, as predicate adjective Job 32:6 (opposed to צָעִיר לְיָמִים); as substantive Job 15:10 (|| שָׂב); Job 29:8 (opposed to נערים); בִּישִׁישִׁים חָכְמָה Job 12:12 among aged men is wisdom (|| אֹרֶח יָמִים תְּבוּנָה).