1787. Withering, Brit. Plants, Dict. Terms (1796), I. 66. Leafit, or little leaf (foliolum) one of the single leaves of a compound leaf.
1793. T. Martyn, Lang. Bot., Leaflets, Foliola. Others call them Leafits. But I follow the analogy of the language in forming diminutives.
1816. Keith, Phys. Bot., II. 453. The leafits of some of the leguminous plants are often erected into a vertical position on each side the leaf-stalk.
1819. H. Busk, Banquet, II. 458*. Smooth from the spatula, heart-shaped, or awl, The winged leafits stretch along the wall.
1820. Keats, Isabella, liv. So that the jewel, safely casketed, Came forth, and in perfumed leafits spread.
1830. J. Rennie, Insect Archit., viii. 164. The leafits of the rose expand in nearly the same manner as a fan.