From Old Irish cenann, a compound of cenn (“head”) + finn (“white”), from Proto-Celtic *kʷennowindos (“white-headed”).
ceannann (genitive singular masculine ceannainn, genitive singular feminine ceannainne, plural ceannanna, not comparable)
| Singular | Plural (m/f) | |||
|---|---|---|---|---|
| Positive | Masculine | Feminine | (strong noun) | (weak noun) |
| Nominative | ceannann | cheannann | ceannanna; cheannanna² | |
| Vocative | cheannainn | ceannanna | ||
| Genitive | ceannainne | ceannanna | ceannann | |
| Dative | ceannann; cheannann¹ |
cheannann; cheannainn (archaic) |
ceannanna; cheannanna² | |
| Comparative | (not comparable) | |||
| Superlative | (not comparable) | |||
¹ When the preceding noun is lenited and governed by the definite article.
² When the preceding noun ends in a slender consonant.
ceannann m (genitive singular ceannainn, nominative plural ceannainn)
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Bare forms:
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Forms with the definite article:
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| Irish mutation | ||
|---|---|---|
| Radical | Lenition | Eclipsis |
| ceannann | cheannann | gceannann |
| Note: Some of these forms may be hypothetical. Not every possible mutated form of every word actually occurs. | ||