dylu

Etymology
From (compare 🇨🇬), from  (compare 🇨🇬 and 🇨🇬).

Verb

 * 1) ought, should

Usage notes
The verbal noun form of this defective verb is unused in the modern language, both colloquial and literary. The latest uses of the verbal given by Geiriadur Prifysgol Cymru are from the 16th century.