Lewis & Short

pănĕros, ōtis, or pănĕrastos, f., = πανέρως,

  1. I. a precious stone, supposed to have the property of making fruitful, Plin. 37, 10, 66, § 178.
  2. II. Pănĕros, a Roman surname, Suet. Ner. 30.
    As a slavename, Inscr. Marin. Fr. Arv. p. 631.