From BiblePortal Wikipedia

Cyclopedia of Biblical, Theological and Ecclesiastical Literature [1]

( לֶתֶךְ , Le'Thek, Septuag. Νέβελ ) , a Hebrew word which occurs in the margin of  Hosea 3:2; it signifies A Measure for grain, so called from Emptying or Pourinq Out. It is e rendered "A Half Homer" In the A.V. (after the Vulg.), which is probably correct. (See Homer).

International Standard Bible Encyclopedia [2]

lē´thek ( לתך , lethekh ): A liquid measure equivalent to half a homer (  Hosea 3:2 margin) and containing about 5 1/2 bushels. See Weights And Measures .