LATIN DICTIONARYLexicon Latīnum
adjectivethird-declension two-termination adjective

impennis

impennis (neuter impenne)
Classical[ɪmˈpɛn.nɪs]Ecclesiastical[imˈpɛn.nis]

Meaning

  1. New Latintwo terminationwithout feathers (of flight)

Declension

singular
formmasculinefeminineneuter
nominativeimpennisimpennisimpenne
genitiveimpennisimpennisimpennis
dativeimpennīimpennīimpennī
accusativeimpennemimpennemimpenne
ablativeimpennīimpennīimpennī
vocativeimpennisimpennisimpenne
plural
formmasculinefeminineneuter
nominativeimpennēsimpennēsimpennia
genitiveimpenniumimpenniumimpennium
dativeimpennibusimpennibusimpennibus
accusativeimpennīs
impennēs		impennīs
impennēs		impennia
ablativeimpennibusimpennibusimpennibus
vocativeimpennēsimpennēsimpennia

Origins

Proto-Indo-European *né Proto-Indo-European *n̥- Proto-Italic *n̥- Latin in- Proto-Indo-European *-ih₂der.? Proto-Italic *-is Latin -is Latin in- -is Latin impennis From penna (“feather, fin, wing”) + in- -is.

Quick answers

What does impennis mean in Latin?
impennis, a adjective, means “without feathers (of flight)”.
How do you pronounce impennis?
In classical Latin, [ɪmˈpɛn.nɪs]; in ecclesiastical (church) Latin, [imˈpɛn.nis].