Udāyati at Sv I 266 (udāyissati future) is hardly correct; D I 96 has here udrīyissati (q.v.), which belongs to darati to break, tear etc., udāyati could only belong to dāyāti meaning to cut, mow, reap. but not to split etc. Sv I 266 explains udāyissati with bhijjhissati. The difficulty is removed by reading udrīyissati. To v.l. undriyati cf. °undriya for °uddaya (dukkh° for dukkhudraya see udraya). We find udāyati once more at Vism 156 in explanation of ekodi where it is evidently meant for udeti (causative = uṭṭhapeti).