R / rĕgĭmentum
noun

rĕgĭmentum

gen. rĕgĭmenti · gender neuter · decl. 2nd
rule; government
rule, government (post-class. for regimen); usually in plur., Dig. 1, 11, 1; Amm. 25, 9, 7; 28, 1, 7. —In sing., Fest. s. v. regimen, p. 278 Müll.