The tribe of Quraish was scattered throughout Hijaz until the time of Qusayy bin Kilab, the ancestor of the Holy Prophet (upon whom be Allah's peace). First of all, Qusayy gathered it in Makkah and this tribe was able to gain authority over the Ka'bah. On that very basis Qusayy was called mujammi (uniter, assembler) by his people. This man by his sagacity and wisdom founded a city state in Makkah and made excellent arrangements for the welfare of the pilgrims coming from all over Arabia, with the result that the Quraish were able to gain great influence among the Arabian tribes and lands.
