What does trēdennis mean in Latin?

trēdennis, a adjective, means “thirteen years old”.

How do you pronounce trēdennis?

In classical Latin, [treːˈdɛn.nɪs]; in ecclesiastical (church) Latin, [treˈdɛn.nis].

adjectivethird-declension two-termination adjective

trēdennis (neuter trēdenne)

Classical[treːˈdɛn.nɪs]Ecclesiastical[treˈdɛn.nis]

singular
form	masculine	feminine	neuter
nominative	trēdennis	trēdennis	trēdenne
genitive	trēdennis	trēdennis	trēdennis
dative	trēdennī	trēdennī	trēdennī
accusative	trēdennem	trēdennem	trēdenne
ablative	trēdennī	trēdennī	trēdennī
vocative	trēdennis	trēdennis	trēdenne

plural
form	masculine	feminine	neuter
nominative	trēdennēs	trēdennēs	trēdennia
genitive	trēdennium	trēdennium	trēdennium
dative	trēdennibus	trēdennibus	trēdennibus
accusative	trēdennīs trēdennēs	trēdennīs trēdennēs	trēdennia
ablative	trēdennibus	trēdennibus	trēdennibus
vocative	trēdennēs	trēdennēs	trēdennia

A contracted form of *trēdecennis, from trēdecim (“thirteen”) + annus (“year”). Compare the Late Latin duodennis.