Absurd is a word of Latin origin from ab-, an intensifying prefix, and –surdus, dull, deaf, or mute.

• 01.004 absurd,
• 01.136 Don’t be absurd!
• 12.076 said Smaug absurdly pleased.
• 13.038 but I expect I look rather absurd.

Harper, Douglas. “Absurd”. Online Etymology Dictionary. Web.