1starch 
/ˈstɑɚtʃ/ noun
plural starch·es /ˈstɑɚtʃ/ noun 1 : a substance that is found in certain foods (such as bread, rice, and potatoes) [noncount] ▪ the starch in pasta ▪ They tried to limit starch [=starchy foods] in their diet. [count] ▪ The body breaks down starches [=carbohydrates] into sugars. — see also cornstarch 2 [noncount] : a powder or liquid that contains starch and is used to make clothing stiff
take the starch out of
US, informal + old-fashioned : to make (someone) weak or unsure : to cause (someone) to lose energy or confidence
▪ When he lost the second game, it seemed to take the starch out of him.
▪ When he lost the second game, it seemed to take the starch out of him.
