doaithbig

Old Irish

Etymology

From to- +‎ aith- +‎ Proto-Celtic *begeti. *Begeti was soon conflated with bongaid of similar meaning, leading to sporadic exchanges of forms.

Verb

do·aithbig (verbal noun taidbech)

1. (law) to annul, abrogate
   • c. 845, St Gall Glosses on Priscian, published in Thesaurus Palaeohibernicus (reprinted 1975, Dublin Institute for Advanced Studies), edited and with translations by Whitley Stokes and John Strachan, vol. II, pp. 49–224, Sg. 22^b2

     do·aithbiuch [nó] ni·oirdnimm [nó] ualligim.

     (glossing Latin abrogo) I break [a bargain], or I do not ordain, or I arrogate.

Inflection

Complex, class B I present, s subjunctive

		1st sg.	2nd sg.	3rd sg.	1st pl.	2nd pl.	3rd pl.	Passive sg.	Passive pl.
Present indicative	Deut.	do·aithbiuch						do·athbongar
	Prot.						·tathbongat
Imperfect indicative	Deut.
	Prot.
Preterite	Deut.
	Prot.
Perfect	Deut.
	Prot.
Future	Deut.
	Prot.
Conditional	Deut.
	Prot.
Present subjunctive	Deut.			to·aithib			do·aithmet	do·aithbestar
	Prot.		·taithmis
Past subjunctive	Deut.
	Prot.
Imperative
Verbal noun		taidbech
Past participle
Verbal of necessity		taidbecti

Descendants

• Middle Irish: taithmigid

Mutation

Mutation of doaithbig

radical	lenition	nasalization
do·aithbig (pronounced with /h/ in h-prothesis environments)	unchanged	do·n-aithbig

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), “do-aithbig”, in eDIL: Electronic Dictionary of the Irish Language