aitherrach

Old Irish

Alternative forms

• aithirrech

Noun

aitherrach n

1. verbal noun of ad·eirrig
2. repetition
3. change, alteration

Declension

Neuter o-stem

	singular	dual	plural
nominative	aitherrachN, aithirrech	—	—
vocative	aitherrachN, aithirrech	—	—
accusative	aitherrachN, aithirrech	—	—
genitive	aitherrigL, aithirrig	—	—
dative	aitherruchL, aithirriuch	—	—

Initial mutations of a following adjective:

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

Derived terms

• aithirriuch

Descendants

• Irish: aithearrach
• Middle Irish: atharach
  • Irish: athrach
  • ⇒ Manx: arraghey
  • Scottish Gaelic: atharrach

Mutation

Mutation of aitherrach

radical	lenition	nasalization
aitherrach (pronounced with /h/ in h-prothesis environments)	aitherrach	n-aitherrach

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), “aitherrach”, in eDIL: Electronic Dictionary of the Irish Language