Meaning

adjective (sometimes followed by `with') in agreement or consistent or reliable; ; - FDR

adjective capable of being reproduced

adjective marked by an orderly, logical, and aesthetically consistent relation of parts

originBorrowed from Latin cōnsistēntem, present participle of cōnsistō (“to agree with; to continue”), from con- (prefix indicating a being or bringing together of several objects) (ultimately from Proto-Indo-European *ḱóm (“beside, by, near, with”)) + sistō (“to cause to stand; to place, set”) (ultimately from Proto-Indo-European *stísteh₂ti (“to be standing up; to be getting up”), from the root…

Etymology from Wiktionary, CC BY-SA 3.0