planus

See also: plānus

Latin

Etymology 1

(deprecated template usage)

From Proto-Italic *plānos, from Proto-Indo-European *pleh₂-no-s, from *pleh₂- (“flat”).

Pronunciation

• (Classical Latin) IPA^(key): /ˈplaː.nus/, [ˈpɫ̪äːnʊs̠]
• (modern Italianate Ecclesiastical) IPA^(key): /ˈpla.nus/, [ˈpläːnus]

Adjective

plānus (feminine plāna, neuter plānum, comparative planior, superlative planissimus, adverb plānē); first/second-declension adjective

1. level, flat, even
2. intelligible, clear

Declension

First/second-declension adjective.

Number	Singular				Plural
Case / Gender	Masculine	Feminine	Neuter		Masculine	Feminine	Neuter
Nominative	plānus	plāna	plānum		plānī	plānae	plāna
Genitive	plānī	plānae	plānī		plānōrum	plānārum	plānōrum
Dative	plānō		plānō		plānīs
Accusative	plānum	plānam	plānum		plānōs	plānās	plāna
Ablative	plānō	plānā	plānō		plānīs
Vocative	plāne	plāna	plānum		plānī	plānae	plāna

Derived terms

Derived terms

• plānē
• plānitās
• plānitūdō

• plānō
• plānum

Descendants

• Asturian: llanu, planu (borrowing)
• Basque: lau
• Catalan: pla
• French: plan (borrowing), plain
  • → German: Plan
  • → English: plan, plain
• Friulian: plan
• Galician: chan, chá
• Italian: piano
  • → English: piano

• Occitan: plan
• Old Galician-Portuguese: chão, prão (semi-learned)
• Portuguese: plano (borrowing), chão, porão (semi-learned), piano (via Italian)
• Romanian: plan (borrowing)
• Romansch: plàn, planiv
• Sicilian: chianu
• Spanish: llano, plano (borrowing)

Etymology 2

From Ancient Greek πλάνος (plános)

Pronunciation

• (Classical Latin) IPA^(key): /ˈpla.nus/, [ˈpɫ̪änʊs̠]
• (modern Italianate Ecclesiastical) IPA^(key): /ˈpla.nus/, [ˈpläːnus]

Noun

planus m (genitive planī); second declension

1. a cheat, impostor.

Declension

Second-declension noun.

Case	Singular	Plural
Nominative	planus	planī
Genitive	planī	planōrum
Dative	planō	planīs
Accusative	planum	planōs
Ablative	planō	planīs
Vocative	plane	planī

References

• “planus”, in Charlton T. Lewis and Charles Short (1879) A Latin Dictionary, Oxford: Clarendon Press
• “planus”, in Charlton T. Lewis (1891) An Elementary Latin Dictionary, New York: Harper & Brothers
• planus 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)
• planus in Gaffiot, Félix (1934) Dictionnaire illustré latin-français, Hachette.
• Carl Meißner, Henry William Auden (1894) Latin Phrase-Book‎^[1], London: Macmillan and Co.
  • level country; plains: loca plana or simply plana