quies
/kwʌɪs/(also quash, quiess, quois) Services' slang
adjective
Good; fine, satisfactory. Also as interjection Compare quaiss kitir. Now rare.
Origin
Early 20th century; earliest use found in Walter Downing (1893–1965). From colloquial Arabic (mainly Egyptian) kuwáyyis nice, fine, diminutive of Arabic kayyis fine.