The Collaborative International Dictionary of English v.0.48:
Endive \En"dive\, n. [F. endive (cf. Pr., Sp. Pg., & It. endivia), fr. a deriv. of L. intibus, intybus, endive.] (Bot.) A composite herb (Cichorium Endivia). Its finely divided and much curled leaves, when blanched, are used for salad. [1913 Webster] Wild endive (Bot.), chicory or succory. [1913 Webster]