Where does “nonperiodontal” come from?

nonperiodontal (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.

nonperiodontal (English): Not periodontal

Definitions

Not periodontal

Ancestry of “nonperiodontal”, step by step

nonperiodontal 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 periodontal

Step	Language	Word	Meaning
1	English	periodontal	surrounding a tooth; Relating to the...
2	Ancient Greek	περί
3	Latin	cambium	A change; cambium
4	Gaulish	cambion	change
5	Proto-Celtic	kambos	curved; twisted, crooked
6	Proto-Indo-European	kamp-	to bend; crooked; crooked

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