From yashiysh; aged; Jeshishai, an Israelite -- Jeshishai.
see HEBREW yashiysh
H3454. Yeshishay
יְשִׁישַׁי proper name, masculine a Gileadite name 1 Chronicles 5:14.
יתד (√ of following; meaning dubious; Arabic drive in peg, be firm (of peg), is apparently denominative)