from Wiktionary, Creative Commons Attribution/Share-Alike License
- n. Plural form of cathetus.
from The Century Dictionary and Cyclopedia
- n. Plural of cathetus.
Sorry, no etymologies found.
Then, the height of the capital is to be divided into nine and a half parts, and down along the abacus on the four sides of the volutes, down along the fillet at the edge of the abacus, lines called "catheti" are to be let fall.
I learned something new today: a cathetus (pl. catheti) is a leg of a right triangle.