LATIN DICTIONARYLexicon Latīnum
noun · masculinesecond declension

phthongus

phthongus m (genitive phthongī)
Classical[ˈpʰtʰɔŋ.ɡʊs]Ecclesiastical[ˈftɔŋ.ɡus]

Meaning

  1. masculinea sound, tone
  2. masculinea note in music

Declension

declension
formsingularplural
nominativephthongusphthongī
genitivephthongīphthongōrum
dativephthongōphthongīs
accusativephthongumphthongōs
ablativephthongōphthongīs
vocativephthongephthongī

phthongus, i, m., = φθόγγος,
I. a sound, tone: Saturnum dicebat Dorico moveri phthongo, Jovem Phrygio, Plin. 2, 22, 20, § 84; Fulg. Myth. 3, 2 sq.; Mart. Cap. 9, § 939 (pure Lat. sonus).

Origins

From the Ancient Greek φθόγγος (phthóngos, “any clear, distinct sound”).

Quick answers

What does phthongus mean in Latin?
phthongus, a noun, means “a sound, tone; a note in music”.
What is the genitive of phthongus?
The genitive singular is phthongī. phthongus is masculine, second declension.
How do you pronounce phthongus?
In classical Latin, [ˈpʰtʰɔŋ.ɡʊs]; in ecclesiastical (church) Latin, [ˈftɔŋ.ɡus].