The Collaborative International Dictionary
Zachun \Za*chun"\, n. (Bot.)
An oil pressed by the Arabs from the fruit of a small thorny
tree ( Balanites [AE]gyptiaca), and sold to piligrims for a
healing ointment.
--J. Smith (Dict. Econ. Plants).
Bito \Bi"to\, n., Bito tree \Bi"to tree`\ . [Etym. uncertain.] (Bot.) A small scrubby tree ( Balanites [AE]gyptiaca) growing in dry regions of tropical Africa and Asia.
Note: The hard yellowish white wood is made into plows in Abyssinia; the bark is used in Farther India to stupefy fish; the ripe fruit is edible, when green it is an anthelmintic; the fermented juice is used as a beverage; the seeds yield a medicinal oil called zachun. The African name of the tree is hajilij.
Wikipedia
Balanites aegyptiaca is a species of tree, classified either as a member of the Zygophyllaceae or the Balanitaceae. This tree is native to much of Africa and parts of the Middle East.
There are many common names for this plant. In English the fruit has been called desert date, soap berry tree or bush, Thron tree, Egyptian myrobalan, Egyptian balsam or Zachum oil tree; in Arabic it is known as lalob, hidjihi, inteishit, and heglig (hijlij). In Hausa it is called aduwa, in Swahili mchunju and in Amharic bedena.