E. Cobham Brewer 18101897. Dictionary of Phrase and Fable. 1898.
Beard.
Cutting the beard. The Turks think it a dire disgrace to have the beard cut. Slaves who serve in the seraglio have clean chins, as a sign of their servitude.
1
Kissing the beard. In Turkey wives kiss their husband, and children their father on the beard.
2
To make ones beard (Chaucer). This is the French Faire la barbe à quelquun, and refers to a barbers taking hold of a mans beard to dress it, or to his shaving the chin of a customer. To make ones beard is to have him wholly at your mercy.
3
I told him to his beard. I told him to his face, regardless of consequences; to speak openly and fearlessly.