Definition of ablet in US English:

Late 18th century; earliest use found in John Ash (1724–1779), lexicographer and grammarian. From French ablette the bleak from able denoting various cyprinid fishes (1393; from post-classical Latin abula, alteration (with dissimilation of l) of classical Latin albula small fish from albus white + -ula; compare Italian regional (Marche) avola) + -ette.