"apply manicure treatment to, care for (the hands and fingernails)," 1885, from manicure (n.). Related: Manicured; manicuring.
1873, "one who professionally treats hands and fingernails," from French manicure, literally "the care of the hands and fingernails," from Latin manus "hand" (from PIE root *man- (2) "hand") + cura "care" (see cure (n.1)). Meaning "treatment and care of the hands and fingernails" is attested by 1887.
It forms all or part of: amanuensis; command; commando; commend; countermand; demand; Edmund; emancipate; legerdemain; maintain; manacle; manage; manciple; mandamus; mandate; manege; maneuver; manicure; manifest; manipulation; manner; manque; mansuetude; manual; manubrium; manufacture; manumission; manumit; manure; manuscript; mastiff; Maundy Thursday; mortmain; Raymond; recommend; remand; Sigismund.
It is the hypothetical source of/evidence for its existence is provided by: Hittite maniiahh- "to distribute, entrust;" Greek mane "hand," Latin manus "hand, strength, power over; armed force; handwriting," mandare "to order, commit to one's charge," literally "to give into one's hand;" Old Norse mund "hand," Old English mund "hand, protection, guardian," German Vormund "guardian;" Old Irish muin "protection, patronage."