Save Gender Masculine Usage Greek Mythology Scripts Φοβητωρ(Ancient Greek) Meaning & History From the Greek name Φοβητωρ (Phobētōr) meaning "frightening"; ultimately from Ancient Greek φόβος (phóbos) "fear, terror, fright". In Greek mythology, Phobetor (or Ikelos) was the god of and personification nightmares and a son of Nyx.