typo: 1816, short for typographer; typography: 1641, from Fr. typographie, from M.L. typographia, from Gk. typos (see type) + -grapheia "writing." Typographical "pertaining to typography" is recorded from 1593.
chondria: from chondros: "cartilage" (of the breastbone). viscera. at the core or to the bone.