“Thence-a·fter.” listed on page 271 of volume IX, part II (Su–Th), § ii (T) ofA New English Dictionary on Historical Principles [1st ed., 1919] Thence-a·fter.rare. After that time; thereafter. [¶] 1593Tell Troth’s N. Y. Gift (1876) 18 Thence after they must sit no more in the shoppes. 1864NealeSeaton. Poems 187 Those blessed feet, thenceafter nailed Fast to the bitter cross!
“thence-ˈafter” listed in theOxford English Dictionary [2nd ed., 1989]