tabule

tabule, m/f.n: table; tablet or table on which to inscribe; a board which is struck to give a signal. (TA-buh-luh / ˈta-bʌ-lə)⁠

Zachariah writing on a tablet in the Benedictional of Æthelwold. England, 963-984. British Library, Add MS 49598, f. 92v.⁠ [blogs.bl.uk]