alabaster (n.) Look up alabaster at
translucent whitish kind of gypsum used for vases, ornaments, and busts, late 14c., from Old French alabastre (12c., Modern French albâtre), from Latin alabaster "colored rock used to make boxes and vessels for unguents," from Greek alabastros (earlier albatos) "vase for perfumes," perhaps from Egyptian 'a-labaste "vessel of the goddess Bast." Used figuratively for whiteness and smoothness from 1570s. "The spelling in 16-17th c. is almost always alablaster ..." [OED].