c.1300, "distinctive system of beliefs or observances; party or school within a religion," from O.Fr.
secte, from L.L.
secta "religious group, sect," from L.
secta "manner, mode, following, school of thought," lit. "a way, road," from fem. of
sectus, variant pp. of
sequi "follow," from PIE
*sekw- "to follow" (see
sequel). Confused in this sense with L.
secta, fem. pp. of
secare "to cut" (see
section). Meaning "separately organized religious body" is recorded from 1577.
Sectarian first recorded 1649, originally applied by Presbyterians to Independents, from M.L.
sectarius, from
secta.