Wiktionary

seachtú

Irish

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Irish ordinal numbers
 <  6ú 7ú 8ú  > 
    Cardinal : seacht
    Ordinal : seachtú

Alternative forms

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Etymology

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From Middle Irish sechtmad. By surface analysis, seacht +‎ -ú.

Adjective

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seachtú (abbreviated 7ú)

  1. seventh

Declension

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Declension of seachtú
Singular Plural (m/f)
Positive Masculine Feminine (strong noun) (weak noun)
Nominative seachtú sheachtú seachtú;
sheachtú²
Vocative sheachtú seachtú
Genitive seachtú seachtú seachtú
Dative seachtú;
sheachtú¹ 		sheachtú seachtú;
sheachtú²
Comparative níos seachtú
Superlative is seachtú

¹ When the preceding noun is lenited and governed by the definite article.
² When the preceding noun ends in a slender consonant.

Mutation

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Irish mutation
Radical Lenition Eclipsis
seachtú sheachtú
after an, tseachtú 		not applicable
Note: Some of these forms may be hypothetical. Not every possible mutated form of every word actually occurs.

Further reading

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