-tās
-tās lat. "-ität, -tät, -ie, -heit, -keit, -niß, -tum, "
From Proto-Italic *-tāts, from Proto-Indo-European *-teh₂ts, whence also Attic Greek -της (-tēs), Doric Greek -τᾱς (-tās), and Sanskrit -ताति (-tāti). See also -tūs.
-tās f (genitive -tātis); third declension
- -ty, -dom, -hood, -ness, -ship; Used to form feminine abstract nouns indicating a state of being. [ synonyms ▲]
The suffix -tās is added to an adjective (or sometimes a noun) to form an abstract third declension feminine noun indicating a state or condition.
- Examples:
- potis (“able”) + -tas → potestās (“ability”)
- difficilis (“difficult, troublesome”) + -tas → difficultās (“difficulty, trouble”)
- līber (“free”) + -tas → lībertās (“liberty, freedom”)
- aevum (“infinite time”) + -tas → aetās (“lifetime”)
It has two allomorphs:
- -itās
- viduus + -tas → viduitās (“widowhood”)
- magnanimus + -tas → magnanimitās (“magnanimity”)
- alacer + -tas → alacritās (“cheerfulness”)
- -etās
Third-declension noun.
| Case | Singular | Plural |
|---|---|---|
| Nominative | -tās | -tātēs |
| Genitive | -tātis | -tātum |
| Dative | -tātī | -tātibus |
| Accusative | -tātem | -tātēs |
| Ablative | -tāte | -tātibus |
| Vocative | -tās | -tātēs |