Avenas (gender unknown) (plurale tantum)
(with) definite article: ? [is/sas?]From Latin "avena" [oat]; Logudoro area.
Weis Bentzon, Andreas Fridolin: The launeddas: a Sardinian folk music instrument. Copenhagen, 1969, p.144 (note 1).
Paulis, Giulio: I Romani e le launeddas. In: Launeddas: l’anima di un popolo (1997), ➺ p.227 (Avena).