The 9th-century genealogist Hisham ibn al-Kalbi asserted that there was no eponymous founder of Quraysh; rather, the name stemmed from taqarrush, an Arabic word meaning "a coming together" or "association". ... Later, particularly after the 13th century, claimants of Qurayshi descent used the Qurashī surname.
Qureshi Name Meaning. Arabic: name indicating descent from the Quraish, the leading tribe in Mecca at the time of the birth of the Prophet Muhammad (ad 570); the Prophet's mother was a member of it.
