Affixes

A hypostyle (Greek hupo, under) is a building whose roof rests on pillars; an epistyle (Greek epi, upon) is a main beam resting across the tops of columns; a peristyle is a row of columns surrounding a space within a building. Other terms refer to the number of columns in a building or portico, such as hexastyle, six, or tetrastyle, four.

Some examples refer to forms of animal bones: pygostyle (Greek pugē, rump), a triangular plate in a bird that typically supports the tail feathers; urostyle (Greek oura, tail), a long bone formed from fused vertebrae at the base of the vertebral column in some lower vertebrates, especially frogs and toads.