Consist
late Middle English (in the sense ‘be located or inherent in’): from Latin consistere ‘stand firm or still, exist’, from con- ‘together’ + sistere ‘stand (still)’.
wiktionary
From Middle French consister, from Latin consistō(“stand together, stop, become hard or solid, agree with, continue, exist”), from com-(“together”) + sistō(“I cause to stand, stand”).
From consist (verb).
etymonline
consist (v.)
1520s, "to be, exist in a permanent state as a body composed of parts," from French consister (14c.) or directly from Latin consistere "to stand firm, take a standing position, stop, halt," from assimilated form of com "with, together" (see con-) + sistere "to place," causative of stare "to stand, be standing" (from PIE root *sta- "to stand, make or be firm").
From 1560s, with of, as "be composed, be made up." From 1630s as "be consistent." Related: Consisted; consisting.
