H3453. yashish
יָשִׁישׁ adjective aged, only Job (Late Hebrew once יָשִׁישִׁים old, venerable men, Levy Jastr); — absolute יָשִׁישׁ [Job 15:10]; plural יְשִׁישִׁים [32:6] [2]t.; — aged, as predicate adjective [32:6] (opposed to לְיָמִים צָעִיר); as substantive [15:10] (|| שָׂב); [29:8] (opposed to נערים); חָכְמָה בִּישִׁישִׁים [12:12] among aged men is wisdom (|| תְּבוּנָה יָמִים אֹרֶח).