conservant
/kənˈsəːv(ə)nt/Now rare
adjective
That conserves; conserving, preserving; especially in conservant cause.
Origin
Late 16th century; earliest use found in Abraham Fraunce (?1559–?1593), poet and lawyer. From classical Latin cōnservant-, cōnservāns, present participle of cōnservāre conserve.