riuth

Old Irish

Alternative forms

• rith

Etymology

From Proto-Celtic *ritus.

Noun

riuth m (genitive retho or retha)

1. verbal noun of reithid

Inflection

Masculine u-stem

	singular	dual	plural
nominative	riuth	riuthL	rethae
vocative	riuth	riuthL	rithu
accusative	riuthN	riuthL	rithu
genitive	rethoH, rethaH	retho, retha	rethaeN
dative	riuthL	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 after a proclitic ending in a vowel	riuth pronounced with /r(ʲ)-/	unchanged

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