Old Irish

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Etymology

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From Proto-Celtic *dekametos.

Pronunciation

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Adjective

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Old Irish ordinal numbers
 <  9th 10th 20th  > 
    Cardinal : deich
    Ordinal : dechmad

dechmad

  1. tenth

Inflection

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o/ā-stem
Singular Masculine Feminine Neuter
Nominative dechmad dechmad dechmad
Vocative dechmaid*
dechmad**
Accusative dechmad dechmaid
Genitive dechmaid dechmaide dechmaid
Dative dechmad dechmaid dechmad
Plural Masculine Feminine/neuter
Nominative dechmaid dechmada
Vocative dechmadu
dechmada
Accusative dechmadu
dechmada
Genitive dechmad
Dative dechmadaib
Notes *modifying a noun whose vocative is different from its nominative

**modifying a noun whose vocative is identical to its nominative
† not when substantivized

Descendants

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  • Irish: deichiú, deachú
  • Manx: jeihoo
  • Scottish Gaelic: deicheamh

Mutation

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Old Irish mutation
Radical Lenition Nasalization
dechmad dechmad
pronounced with /ð(ʲ)-/
ndechmad
Note: Some of these forms may be hypothetical. Not every
possible mutated form of every word actually occurs.

Further reading

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