calluses [that were] painful when he danced … and a bad fungus that was all over his feet and into his flesh.
Let's have another look at his hand, to see if there are any calluses.
I accepted the calluses as of long time and a matter of course.
But if we give it up, the calluses disappear; and if we meddle with it again, we miss the novelty and get the blisters.
But then he took her hand and felt its fine warmth, the calluses he remembered from all those months ago, and he felt better.
"hardened skin," 1560s, from Latin callus, variant of callum "hard skin," related to callere "be hard," from PIE root *kal- "hard" (cf. Sanskrit kalika "bud," Old Irish calath "hard," Old Church Slavonic kaliti "to cool, harden").
callus cal·lus (kāl'əs)
n. pl. cal·lus·es
The hard bony tissue that develops around the ends of a fractured bone during healing.