σαυρωτήρ
From LSJ
Aristotle, Nicomachean Ethics, 5.30
English (LSJ)
ῆρος, ὁ,
A ferrule or spike at the butt-end of a spear, by which it was stuck into the ground, Il.10.153, Hdt.7.41, Plb.6.25.6, 11.18.4, AP6.110 (Leon. or Mnasalc.), Sch.Th.Oxy.853 v 30.