theoria

Latin

Etymology

From Ancient Greek θεωρία (theōría).

Pronunciation

• (Classical) IPA^(key): /tʰeˈoː.ri.a/, [t̪ʰeˈoːriä]
• (modern Italianate Ecclesiastical) IPA^(key): /teˈo.ri.a/, [t̪eˈɔːriä]

Noun

theōria f (genitive theōriae); first declension

1. (philosophy) speculation, theory

Declension

First-declension noun.

Case	Singular	Plural
Nominative	theōria	theōriae
Genitive	theōriae	theōriārum
Dative	theōriae	theōriīs
Accusative	theōriam	theōriās
Ablative	theōriā	theōriīs
Vocative	theōria	theōriae

Descendants

• → Catalan: teoria
• → Czech: teorie
• → Dutch: theorie
  • → Indonesian: teori
• → Finnish: teoria
• → Middle French: theorie [1380]
  • French: théorie
    • → Romanian: teorie
  • → English: theory
• → Italian: teoria [from 17th c.]
• → Galician: teoría
• → German: Theorie [first in the 16th c. as theoria]
• → Old Irish: teöir
  • Irish: teoir
• → Occitan: teoria
• → Polish: teoria
• → Portuguese: teoria
• → Spanish: teoría
• → Esperanto: teorie

References

• “theoria”, in Charlton T. Lewis and Charles Short (1879) A Latin Dictionary, Oxford: Clarendon Press
• theoria in Charles du Fresne du Cange’s Glossarium Mediæ et Infimæ Latinitatis (augmented edition with additions by D. P. Carpenterius, Adelungius and others, edited by Léopold Favre, 1883–1887)
• theoria in Gaffiot, Félix (1934) Dictionnaire illustré latin-français, Hachette.
• “theoria”, in Harry Thurston Peck, editor (1898), Harper's Dictionary of Classical Antiquities, New York: Harper & Brothers
• “theoria”, in William Smith et al., editor (1890), A Dictionary of Greek and Roman Antiquities, London: William Wayte. G. E. Marindin

Portuguese

Noun

theoria f (plural theorias)

1. Pre-reform spelling (until Brazil 1943/Portugal 1911) of teoria.