Sentence:  When the fate of the individual is visited on the group , then ( the warm sweet <WSD>butter</WSD> dripped from her raised trembling fork and she pushed her head forward belligerently ) , ah , then the true bitterness of existence could be tasted . 
Meaning of the word marked with <WSD> tags:  an edible emulsion of fat globules made by churning milk or cream; for cooking and table use