deachú

Irish

Alternative forms

• deachmha, deachmhadh (supserseded)
• deaghchú (obsolete)

Etymology

From Old Irish dechmad. Doublet of deichiú.

Noun

deachú f (genitive singular deachún, nominative plural deachúna)

1. a tenth
2. tithe

Declension

Declension of deachú (fifth declension)

bare forms singular plural nominative deachú deachúna vocative a dheachú a dheachúna genitive deachún deachúna dative deachú deachúin (archaic, dialectal) deachúna forms with the definite article singular plural nominative an deachú na deachúna genitive na deachún na ndeachúna dative leis an deachú leis an deachúin (archaic, dialectal) don deachú don deachúin (archaic, dialectal) leis na deachúna

Mutation

Mutated forms of deachú

radical	lenition	eclipsis
deachú	dheachú	ndeachú

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

Further reading

• Dinneen, Patrick S. (1904) “deaċṁaḋ”, in Foclóir Gaeḋilge agus Béarla, 1st edition, Dublin: Irish Texts Society, page 226
• Ó Dónaill, Niall (1977) “deachú”, in Foclóir Gaeilge–Béarla, Dublin: An Gúm, →ISBN