出典:Wiktionary
Third-declension noun.
| Case | Singular | Plural |
|---|---|---|
| Nominative | prōportiō | prōportiōnēs |
| Genitive | prōportiōnis | prōportiōnum |
| Dative | prōportiōnī | prōportiōnibus |
| Accusative | prōportiōnem | prōportiōnēs |
| Ablative | prōportiōne | prōportiōnibus |
| Vocative | prōportiō | prōportiōnēs |