also: だいがん
noun
your face
A polite or formal term for 'your face', used in respectful address. Rare in modern casual speech; more common in historical or formal contexts.
おそれながら、台顔を拝見いたします。
With all due respect, I behold your face.
台顔を拝し、恐悦至極に存じます。
I am deeply honored to see your face.
Compound of 台 (honorific prefix) and 顔 (face). The exact historical derivation is uncertain, but it is used as a respectful term for 'your face'.