A bevor is a portion of plate armour to protect the lower face and neck, typically split into two.

The cast of Bevor der Tag anbricht - 1999 includes: Baki Davrak as Young Soldier Andreas Patton as Journalist

i think bevor the death of her daugther

the helmet

Alternative answer:

the structure that cupped the chin specifically is called the Bevor.

Several helmet types, such as the great bascinet and armet would protect the chin without a bevor, however.

"before" can mean in German "bevor, ehe, früher, vor, voran, vorher, vorn".