endanger

verb2

1. •
   To put (someone or something) in danger; to risk causing harm to.

   • I hold him but a fool that will endanger / His body [in a duel] for a girl that loves him not — 1590
2. •
   (no longer used) To incur the hazard of; to risk; to run the risk of.

   • He that turneth the humours back […] endangereth malign ulcers. — 1625