imdae

Old Irish

imbed (“a large quantity”) +‎ -de.

imdae (comparative imdu)

many, numerous
- c. 800, Würzburg Glosses on the Pauline Epistles, published in Thesaurus Palaeohibernicus (reprinted 1987, Dublin Institute for Advanced Studies), edited and with translations by Whitley Stokes and John Strachan, vol. I, pp. 499–712, Wb. 9^a12
  cit imdi far forcitlidi
  although your teachers are many

(This etymology is missing or incomplete. Please add to it, or discuss it at the Etymology scriptorium.)

imdae f (genitive imdae or imdad)

Feminine iā-stem
	Singular	Dual	Plural
Nominative	imdae^L	imdai^L	imdai
Vocative	imdae^L	imdai^L	imdai
Accusative	imdai^N	imdai^L	imdai
Genitive	imdae	imdae^L	imdae^N
Dative	imdai^L	imdaib	imdaib
Initial mutations of a following adjective: ^H = triggers aspiration ^L = triggers lenition ^N = triggers nasalization

Feminine t-stem
	Singular	Dual	Plural
Nominative	imdae	imdaid^L, imdae	imdaid
Vocative	imdae	imdaid^L, imdae	imdada
Accusative	imdaid^N	imdaid^L, imdae	imdada
Genitive	imdad	imdad	imdad^N
Dative	imdaid^L	imdadaib	imdadaib
Initial mutations of a following adjective: ^H = triggers aspiration ^L = triggers lenition ^N = triggers nasalization

Old Irish mutation
Radical	Lenition	Nasalization
imdae	unchanged	n-imdae
Note: Some of these forms may be hypothetical. Not every possible mutated form of every word actually occurs.