Invalid expression:*[ck]{1
Hederich-1770: Ardea
Herder-1854: Ardea [2] · Ardea [1]
Lemery-1721: Ardea
Meyers-1905: Ardĕa [2] · Ardĕa [1]
Pierer-1857: Ardĕa [2] · Ardĕa [1]