[ ɛ'twi: ]
■ noun ( plural ~s ) dated a small ornamental case for holding needles, cosmetics, and other articles.
Origin
C17: from Fr. étui , from OFr. estui 'prison'; cf. tweezers .
ETUI
Meaning of ETUI in English
Concise Oxford English vocab. Сжатый оксфордский словарь английского языка. 2004