Definition from Wiktionary, the free dictionary
From -igh + -adh
- slender version of -ú
- Regular verbal noun of second-conjugation verbs, notably verbs in -igh.
- May be used as a noun, which then decline as fifth-declension masculine nouns (which may or may not have a plural):
- milsiú (gen. milsithe, no plural) -- "sweetness", from milsigh ("to sweeten")