OriginFrom Middle Irish tunna (“cask”), from Latin tunna, itself of Celtic origin, in which case probably a doublet of tonn (“leather, hide”). Compare Icelandic tunna (“barrel”).
Formstunna(genitive, singular) · tunnaí(nominative, plural) · tunna(indefinite, nominative, singular) · tunnaí(indefinite, nominative, plural) · a thunna(indefinite, singular, vocative) · a thunnaí(indefinite, plural, vocative) · tunna(genitive, indefinite, singular) · tunnaí(genitive, indefinite, plural) · tunna(dative, indefinite, singular) · tunnaí(dative, indefinite, plural) · an tunna(definite, nominative, singular) · na tunnaí(definite, nominative, plural) · an tunna(definite, genitive, singular) · na dtunnaí(definite, genitive, plural) · leis an tunna(dative, definite, singular) · don tunna(dative, definite, singular) · leis na tunnaí(dative, definite, plural) · tunna(error-unrecognized-form) · thunna(error-unrecognized-form) · dtunna(error-unrecognized-form)
Source: Wiktionary — CC BY-SA 4.0