Where does “noncallused” come from?

noncallused (English) comes from English non, from French non, from Old French non, from Latin nōn, from Old Latin noenum, from Proto-Indo-European óynos — one; single.

noncallused (English): Not callused

Definitions

Not callused

Ancestry of “noncallused”, step by step

noncallused traces back through two separate lines of ancestry.

via English non

Step	Language	Word	Meaning
1	English	non	Obsolete form of none
2	French	non	no; not; a no, a negative response
3	Old French	non	no; not; Alternative form of nom
4	Latin	nōn	not
5	Old Latin	noenum	—
6	Proto-Indo-European	óynos	one; single

via English callused

Step	Language	Word	Meaning
1	English	callused	simple past tense and past participle of callus;...
2	English	-ed	Used to form past tenses of verbs. In...
3	Middle English	-ed	Alternative form of -hede
4	Old English	-ed	formed into the likeness of, made into, shaped...

Every word from Proto-Indo-European óynos →Every word from Old Latin noenum →Every word from Latin nōn →