longing(n.)
"渴望,渴求,热切的欲望," 古英语单词 langung 意为“渴望,疲惫,悲伤,沮丧”,是 long(动词)的动名词。
2. Specifically, in pathol., one of the peculiar and often whimsical desires experienced by pregnant women. [Century Dictionary, 1899]
2. 具体地,在 pathol. 中,指孕妇经历的奇特而常常异想天开的欲望。[《世纪词典》,1899年]