Thomas Davidson,
Chambers's Twentieth Century Dictionary 1908…
(1908)
“ Schist, shist, n. a term properly applied to crystalline rocks with a foliated structure, as mica-schist, hornblende-schist, &c.—indurated clay-rocks with a fissile structure are sometimes erroneously described as schists.—adjs. Schistā′ceous, slate-gray; Schist′ic, Schist′ous, Schist′ose, like schist: slaty.—n. Schistos′ity, quality of being schistose. [Fr. schiste—Gr. schistos—schizein, to split.] Schizæa, skī-zē′a, n. a genus of ferns, with sporangia ovate, sessile, and arranged in spikes or panicles. [Gr. schizein, to split.] ”
