ganch
To drop from a high place on sharp stakes or hooks as a punishment.
" Let them be ganched upon the hooks, " he cried, " Throughout to-day, but not till they have died. Then gather all the slaves, and flay these three Alive, before them, that the slaves may see What comes to dogs who try to get away. So, ganch the three."
He rose up in his place and rent his dress.
Where it comes from
Compare French ganche, also Spanish and Portuguese gancho hook, Italian gancio.
Adapted from the Wiktionary entry ganch (CC BY-SA 4.0).