词根：-rig-

【词根含义】：刚硬

【词根来源】：-rig-来源于拉丁语动词rigeo, rigere, -, -(刚硬)和形容词rigidus, rigida, rigidum(严厉的)。

【同源单词】：rigid, rigidity, rigor, rigorous

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