Note 70 — DESCRIPTION OF A JOURNEY FROM UPPER EGYPT THROUGH THE DESERTS OF NUBIA TO BERBER AND SUAKIN, AND FROM THENCE TO DJIDDA IN ARABIA. (continued 6)
Reading edition
It is in a liquid state, which is the only kind of butter used in the black countries. It is made, as in Egypt and Arabia, by shaking the milk in goatskins till the butter separates (بخضّوا القِربَ).