词根词缀:calci-, calc-, calcane-, calcio-, calco-, calcar-, calx
【来源及含义】Latin: lime, calcium; heel, bone of the tarsus; to tread [derived from calx, calcis, limestone, lime, pebble; from Greek words halix and psephos meaning "small stone, pebble"]
【同源单词】a capite ad calcem, acalculia, astragalocalcanean, calcaneal, calcanean, calcaneitis
词根词缀:rigi-, rig-
【来源及含义】Latin: stiff, hard, numb; to be frozen, to grow stiff with cold, to be chilled
【同源单词】acid rigor, calcium rigor, catatonic rigidity, cerebellar rigidity, clasp-knife rigidity, cogwheel rigidity