Yechezkel 29:18

Ben adam, Nevukhadretzar Melech Bavel caused his army to avodah gedolah (labor strenuously) against Tzor (Tyre); every rosh was rubbed bare, and every katef (shoulder) was rubbed raw; yet had he no sachar (pay), nor his army, from Tzor (Tyre), for the avodah that he had served against it