riuth

Old Irish

Alternative forms

rith

Etymology

From Proto-Celtic *ritus.

Noun

riuth m (genitive retho or retha)

verbal noun of reithid

Inflection

Masculine u-stem
	singular	dual	plural
nominative	riuth	riuth^L	rethae
vocative	riuth	riuth^L	rithu
accusative	riuth^N	riuth^L	rithu
genitive	retho^H, retha^H	retho, retha	rethae^N
dative	riuth^L	rethaib	rethaib

Initial mutations of a following adjective:

^H = triggers aspiration
^L = triggers lenition
^N = triggers nasalization

Derived terms

comrud
díurad
ruiriud

Descendants

Middle Irish: rith
- Irish: rith
- Manx: roie
- Scottish Gaelic: ruith

Mutation

Mutation of *riuth*
radical	lenition	nasalization
riuth also rriuth in h-prothesis environments	riuth pronounced with /ɾʲ-/	riuth also rriuth

Note: Certain mutated forms of some words can never occur in Old Irish.
All possible mutated forms are displayed for convenience.

Further reading

Gregory Toner, Sharon Arbuthnot, Máire Ní Mhaonaigh, Marie-Luise Theuerkauf, Dagmar Wodtko, editors (2019), “rith”, in eDIL: Electronic Dictionary of the Irish Language