词根词缀：astragalo-, astragal-

【来源及含义】Greek: anklebone, talus ball of ankle joint; dice, die [the Greeks made these from ankle bones]

【同源单词】astragalar, astragalectomy, astragalocalcanean, astragalofibular, astragalomancy, astragaloscaphoic

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