4Q550 1:3 :ל]מ̊ע̇בד עבידת מלכא‏ : to do the king's service
See the entire entry for ˁḇīḏā, ˁḇīttā/ˁăḇīḏtā n.f. work

4Q550 1:3 :בה בש<ע>תא ארכת רוחה די מלכא‏ : at that time the king was patient
See the entire entry for šāˁā, šāˁtā n.f. hour; moment of time