[ 'tɪf(ə)ni ]
■ noun thin gauze muslin.
Origin
C17: from OFr. tifanie , via eccles. L. from Gk theophaneia 'epiphany'; usu. taken to be short for Epiphany silk or muslin , i.e., that worn on Twelfth Night, but may be a humorous allusion to epiphany in the sense 'manifestation', ~ being semi-transparent.