Rashi on Genesis 32:33/רש"י על בראשית ל״ב:ל״ג

1גיד הנשה THE SINEW OF THE THIGH-VEIN — Why is its name called גיד הנשה? Because it sprang נשה) and rose from its proper position. The word has the meaning of “springing”. Other examples are: (Jeremiah 51:30) “Their strength sprang away (נשתה)” and (41:51) “for God hath made all my trouble spring away from me נַשַּׁנִי)".