Zilpah
The name Zilpah means “distillation from the mouth”.
Easton's Bible Dictionary 1897
Drooping, Leah’s handmaid, and the mother of Gad and Asher (Gen. 30:9-13).
Smith's Bible Dictionary 1863
(a trickling), a Syrian given by Laban to his daughter Leah as an attendant, (Genesis 29:24) and by Leah to Jacob as a concubine. She was the mother of Gad and Asher. (Genesis 30:9-13; 35:26; 37:2; 46:18) (B.C. 1753.)
International Standard Bible Encyclopedia 1915
zil'-pa (zilpah, meaning uncertain; Zelpha): The ancestress of Gad and Asher (Ge 30:10,12; 35:26; 46:18), a slave girl of Leah's, given her by Laban (Ge 29:24; 30:9). In Eze 48 the Zilpah tribes have the 5th division toward the South of Palestine and the 6th to the North, a slightly more favorable position than that of the Bilhah tribes.