[825] Asper (lat.), rauh, hart; Spiritus asper, s. u. Spiritus.
Adelung-1793: Asper, der
Brockhaus-1911: Asper
Herder-1854: Asper [2] · Asper [1]
Lemery-1721: Asper
Meyers-1905: Asper [2] · Asper [1] · asper
Pierer-1857: Asper [4] · Spirĭtus Asper · Asper [1] · Asper [3]