subjugate (v.) Look up subjugate at Dictionary.com
early 15c., a back-formation from subjugation or else from Latin subiugatus, past participle of subiugare "to subjugate, subdue," literally "bring under the yoke," from sub "under" (see sub-) + iugum "yoke," from PIE root *yeug- "to join." Related: Subjugated; subjugating.