שֵׁבֶט shêbeṭ (H7626)

a scion, i.e. (literally) a stick (for punishing, writing, fighting, ruling, walking, etc.) or (figuratively) a clan

1) rod, staff, branch, offshoot, club, sceptre, tribe 1a) rod, staff 1b) shaft (of spear, dart) 1c) club (of shepherd's implement) 1d) truncheon, sceptre (mark of authority) 1e) clan, tribe

from an unused root probably meaning to branch off;