词根词缀：callus-, callous-

【来源及含义】Latin: hardened skin, thick skin; a knob

【相关词根词缀】 Cross references directly, or indirectly, involving the "skin": chorio-; cicatri- (scar); cori-; cuti-; hymen-; lepido- (scab, scale); papulo- (pimple); psoro- (itch, mange); pustu- (blister, pimple); rhytid- (wrinkle); scabio- (mange, itchy); sebo- (grease, oil).

【同源单词】callositas, callosity, callous, calloused, callousness, callus

词根词缀：pago-, pag- (cold, freezing)

【来源及含义】Greek: cold, frost, freezing; fixed or hardened; united

【相关描述】Be aware that there is another Greek pago- unit that refers to a "peak"; however, it is used by biologists and ecologists in the restricted sense of "foothill".

【相关词根词缀】 Cross references of word families that are related directly or indirectly to "winter, freezing, frost, and/or cold": algid- (cold, chilly); cheimo-, chimo- (winter, cold); crymo-, krymo- (cold, chill, frost); cryo-, kryo-; (cold, freezing); psychro- (cold); rhigo- (cold, frost; shiver).

【同源单词】pagon, pagophagia, pagophile, pagophilia, pagophilous, Pagophilus