Etymology: Middle English, from Latin cohort-, cohors — more at court
Date: 15th century
1 a : one of 10 divisions of an ancient Roman legion b : a group of warriors or soldiers c : band, group d : a group of individuals having a statistical factor (as age or class membership) in common in a demographic study
2 : companion, colleague
So then a “cohort of women” in a church context could be a group of spiritual warriors or soldiers?!