词根词缀：cheiro-, cheir-, chiro-, chir-, -cheiria, -chiria

【来源及含义】Greek: hand; pertaining to the hand or hands

【相关词根词缀】 Related "hand" units: Dextro and Sinsitro History; Hands as Objects of Art; Hands: Mechanical Marvels; manu-; palm.

【同源单词】acephalochiria, acheiral, acheiria, acheiropodia, acheirus, achirus

词根词缀：praxis-, -praxsis, -praxia, -praxic, -praxi-

【来源及含义】Greek > Latin: to do, to exercise, doing; action, activity, practice; the opposite of theory; from the stem of prassein, "to do, to act"

【同源单词】actinopraxis, agnostic apraxia, akinetic apraxia, amnesic apraxia, aphagopraxia, apraxia