The American Heritage® Dictionary of the English Language: Fourth Edition. 2000.
Appendix II
Semitic Roots
ENTRY:
qc.
DEFINITION:
Arabic root, to be(come) white, covered with frost. moussaka, from colloquial Egyptian Arabic musaqqaca, chilled, moussaka, feminine passive participle of Egyptian colloquial saqqaca, to chill, variant of aqqaca, denominative from aqca, cold (weather), frost, from aqica, be(come) white, covered with frost.