"Buttressed" is a word in ENGLISH

A flying buttress.

A principal compartment of the walls, roof, or other part of a building, or of the whole building, as marked …

A buttress of an arch; the supporter, or that part which joins it to the upright pier.

A projecting mass of masonry, used for resisting the thrust of an arch, or for ornament and symmetry.

To support with a buttress; to prop; to brace firmly.

Anything which supports or strengthens.

of Buttress

A kind of buttress of masonry to strengthen a revetment wall.

Any additional or auxiliary mass of masonry used to stiffen a wall. See Buttress.

An architectural member, upright, and generally ending in a small spire, -- used to finish a buttress, to constitute a …

A stone at the foot of the slope of a gable, the offset of a buttress, or the like, cut …

The short wooden buttress of a post.

tangkolán - Any structure that gives support or strength, as a buttress, abutment, bridgehead, or the like. (cf. tángkol).