j.ḫm(“not knowing”, imperfective active participle of ḫm) + wrḏ(“to be(come) weary”), thus literally ‘(one) not knowing wearying’, because noncircumpolar stars circle in long paths without end.
18th Dynasty, Great Hymn to Osiris, Stela of Amenmose (Louvre C 286), lines 5–6:
nb hnw m pt rswt dwꜣw m pt mḥtt j.ḫmw-sk ẖr st ḥr.f swt.f pw j.ḫmw-wrḏ
Possessor of acclaim in the southern sky, worshipped in the northern sky, the circumpolar stars are under his care, and the unwearying stars are his residences.
