See also: acht, Acht, ächt, and åcht

Irish edit

Alternative forms edit

Etymology edit

From Old Irish -acht (compare Scottish Gaelic -achd).

Suffix edit

-acht f

  1. Nominal suffix, used to form abstract ideas or nouns roughly corresponding to English -ness, -hood, -ity, or -ure.

Usage notes edit

  • This affix forms feminine nouns of the third declension. Abstract nouns do not have plural forms; however, concepts that refer to concrete items do have plurals in -aí.

Declension edit

Abstract nouns edit
Concrete nouns edit

Derived terms edit

Old Irish edit

Etymology edit

From Proto-Celtic *-axtā, suffixal use of Proto-Celtic *axtā.

Suffix edit

-acht f

  1. -ness, -hood; forms abstract nouns.

Usage notes edit

After a palatalised consonant, the suffix becomes -echt.

Inflection edit

Feminine ā-stem
Singular Dual Plural
Nominative -achtL -achtL -achtaH
Vocative -achtL -achtL -achtaH
Accusative -achtN -achtL -achtaH
Genitive -achtaeH -achtL -achtN
Dative -achtL -achtaib -achtaib
Initial mutations of a following adjective:
  • H = triggers aspiration
  • L = triggers lenition
  • N = triggers nasalization

Derived terms edit

Descendants edit

  • Irish: -acht
  • Manx: -aght
  • Scottish Gaelic: -achd