[Derivative of CELERY; the last syllable has not been explained; the word does not appear to be known outside of English.] A turnip-rooted variety of the garden celery.
1743. Lond. & Country Brewer, II. Advt., Italian Brocoli, Spanish Cardoon, Celeriac, Finochi, and other foreign Kitchen Vegetables.
1796. C. Marshall, Garden., xv. (1813), 232. Celeriac requires a rich soil.
1861. Delamer, Kitch. Gard., 82. Celeriac is easier and less expensive of culture than celery.
1883. St. James’s Gaz., 20 Dec., 5/2. There is likewise, though far too little known, the celeriac.
