con·sist • v. / kənˈsist/ [intr.] 1. (consist of) be composed or made up of: the exhibition consists of 180 drawings. ∎  (consist in) have as an essential feature: his duties consist in taking the condition of the barometer.2. (consist with) archaic be consistent with: the information consists with our account.• n. Railroad

consist XVI. — L. consistere stand still, remain firm, exist, f. CON- (intensive) + sistere place, stand firm or still, stop.
So consistence, consistency XVI. — F. consistance, †-ence or late L. consistentia. consistent †remaining still XVI; agreeing, esp. self-consistent XVII.