a. [ L. trinus triple, trini three each, fr. tres, tria, three. See Three, and cf. Trine, a. & n., Tern, a. ] Threefold. “Trinal unity.” Milton. [ 1913 Webster ]
In their trinal triplicities on high. Spenser. [ 1913 Webster ]
[けてん;けでん, keten ; keden] (n) { Buddh } turning evil into good through indoctrination; following the teachings of Buddha to turn the world's evil into good