HM(1) 82:(1)3 : לגידא נשיא ,,, וישוף ההוא קמיעא מן ההוא זיתא, ואף שוף ליה בההיא עטמ{י}א דכיבא {א}ליה‏ : for sciatica ... let him rub that amulet with that olive oil and also rub him on the thigh that hurts him
See the entire entry for gyāḏ, gyāḏā n.m. sinew, nerve