angoissier

Etymology
From + infinitive suffix.

Verb

 * 1) to scare; to cause fear
 * circa 1170,, Érec et Énide:
 * Sire, quant vos si m'angoissiez, La verité vos an dirai, Ja plus ne le vos celerai
 * Sire, when you scare me so,
 * I will tell you the truth,
 * I will hide it from you no longer