ajutageyoudaoicibaDictYouDict[ajutage 词源字典]
"Originally: the outlet tube or mouthpiece of a fountain. Later also: a nozzle or mouthpiece attached to a pipe or aperture so as to facilitate the flow of liquid out of it or to determine the character of the flow", Late 17th cent.; earliest use found in Philosophical Transactions of the Royal Society of London. From French ajutage nozzle or mouthpiece attached to a pipe or aperture so as to facilitate the flow of liquid out of it or to determine the character of the flow from ajuster + -age. In some forms probably influenced by association with formations in classical Latin ad- ad-.[ajutage etymology, ajutage origin, 英语词源]