Buddhist Dictionary of Pali Proper Names by G P Malalasekera
Kotthumala
Kotthumala:A hill in the Māyārattha in Ceylon.The Almsbowl and the Tooth Relic of the Buddha were once buried there by Vācissara as a protection from enemies.Later,Vijayabāhu III.had them removed to Jambuddoni.Cv.lxxxi.18ff; see also Cv.Trs.ii.137,n.1.