edited by Meagan Ayer et al.

4th Declension: Nouns

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94. Most nouns of the 4th Declension are formed from verb-stems, or roots, by means of the suffix -tus (-sus) (§ 238.b).

cantus songCAN, canō sing
cāsus (for †cad-tus) chanceCAD, cadō fall
exsulātus exile; from exsulō to be an exile (exsul)

a. Many are formed either from verb stems not in use, or by analogy.

cōnsulātus (as if from †cōnsulō, -āre), senātus, incestus

b. The accusative and the dative or ablative of nouns in -tus (-sus)form the Supines of verbs (§ 159.b).

spectātum, petītum; dictū, vīsū 

c. Of many verbal derivatives only the ablative is used as a noun;

iussū (meōby (my) command
iniussū (populīwithout (the people's) order

of some only the dative is used.



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Suggested Citation

Meagan Ayer, Allen and Greenough’s New Latin Grammar for Schools and Colleges. Carlisle, Pennsylvania: Dickinson College Commentaries, 2014. ISBN: 978-1-947822-04-7. http://dcc.dickinson.edu/grammar/latin/4th-declension-nouns