noun, plural an·cil·lar·ies.
Origin of ancillary
Related Words for ancillariesadjunct, rocket, moon, spacecraft, luna, sputnik, asteroid, supplement, projection, annex, extremity, protuberance, member, addition, appendix, attachment, addendum, appurtenance, auxiliary, ancillary
noun plural -laries
Word Origin for ancillary
1660s, "subservient, subordinate," from Latin ancillaris "relating to maidservants," diminutive of ancilla "handmaid," fem. diminutive of anculus "servant," literally "he who bustles about," from root of ambi- "about" (see ambi-) + PIE *kwol-o-, from root *kwel- "move round, turn about, be much about" (see cycle (n.)).