geniculate (adj.)youdaoicibaDictYouDict[geniculate 词源字典]
"having knots or joints; bent like a knee," 1660s, from Latin geniculatus "having knots, knotted," from geniculum "little knee, knot on the stalk of a plant," diminutive of genu "knee" (see knee (n.)). Related: Geniculation (1610s).[geniculate etymology, geniculate origin, 英语词源]