-rad

See also: rad

Old Irish edit

Ultimately from Proto-Indo-European *Hret-. Cognate with Welsh -red.

-rad f

Forms collective nouns from nouns or adjectives.
marc (“horse”) → marcrad (“cavalry”)

glas (“green”) → glasrad (“greenery”)

Feminine ā-stem
	Singular	Dual	Plural
Nominative	-rad^L	-raid^L	-rada^H
Vocative	-rad^L	-raid^L	-rada^H
Accusative	-raid^N	-raid^L	-rada^H
Genitive	-raide^H	-rad^L	-rad^N
Dative	-raid^L	-radaib	-radaib
Initial mutations of a following adjective: ^H = triggers aspiration ^L = triggers lenition ^N = triggers nasalization

Thurneysen, Rudolf (1940, reprinted 2017) D. A. Binchy and Osborn Bergin, transl., A Grammar of Old Irish, Dublin Institute for Advanced Studies, →ISBN, §§ 263f