LATIN DICTIONARYLexicon Latīnum
noun · neutersecond declension

plēnilūnium

plēnilūnium n (genitive plēnilūniī or plēnilūnī)
Classical[pɫeː.nɪˈɫuː.ni.ũː]Ecclesiastical[ple.niˈluː.ni.um]

Meaning

  1. full moon

Declension

declension
formsingularplural
nominativeplēnilūniumplēnilūnia
genitiveplēnilūniī
plēnilūnī		plēnilūniōrum
dativeplēnilūniōplēnilūniīs
accusativeplēnilūniumplēnilūnia
ablativeplēnilūniōplēnilūniīs
vocativeplēnilūniumplēnilūnia

plēnĭlūnĭum, ii, n. (sc. tempus) [plenus-luna],
I. the full moon (post-Aug. for luna plena), Col. 11, 2, 85: cum vero occidente sole orietur ex adverso, ita ut pariter aspiciantur; tunc erit plenilunium, Plin. 18, 32, 75, § 323; in plur., id. 9, 15, 20, § 53.

Origins

  1. Proto-Indo-European*pleh₁-
  2. Proto-Indo-European*pl̥h₁nós
  3. Latinplēnilūnium

Proto-Italic *plēnosder. Latin plēnus Proto-Indo-European *lewk- Proto-Indo-European *-sneh₂ Proto-Indo-European *lówksneh₂ Proto-Italic *louksnā Latin lūna Proto-Indo-European *-(i)yós Proto-Italic *-ijos Proto-Italic *-ios Old Latin -ios Latin -iusnom. Latin -ium Latin plēnilūnium From plēnus (“full”) + lūna (“moon”) + -ium.

Descendants
  • Catalanpleniluni
  • Englishplenilune
  • Spanishplenilunio
  • Italianplenilunio
  • Portugueseplenilúnio

In English words that came into English from plēnilūnium

  • pleniluneplēnilūnium
  • plenilunarplēnilūnium

Quick answers

What does plēnilūnium mean in Latin?
plēnilūnium, a noun, means “full moon”.
What is the genitive of plēnilūnium?
The genitive singular is plēnilūniī. plēnilūnium is neuter, second declension.
How do you pronounce plēnilūnium?
In classical Latin, [pɫeː.nɪˈɫuː.ni.ũː]; in ecclesiastical (church) Latin, [ple.niˈluː.ni.um].
Where does plēnilūnium come from?
Proto-Indo-European *pleh₁- → Proto-Indo-European *pl̥h₁nós → Latin plēnilūnium.