Where does “nonusage” come from?

nonusage (English) comes from English usage, from Middle English usage, from Old French usage, from Old French -age, from Old Occitan -atge, from Latin -āticum.

nonusage (English): Absence of usage; failure to use

Definitions

Absence of usage; failure to use

Ancestry of “nonusage”, step by step

nonusage traces back through two separate lines of ancestry.

via English usage

Step	Language	Word	Meaning
1	English	usage	The manner or the amount of using; use; Habit or...
2	Middle English	usage	—
3	Old French	usage	usage; use; habit; custom
4	Old French	-age	forms nouns with the sense of 'action or result...
5	Old Occitan	-atge	suffix used to form masculine nouns
6	Latin	-āticum	—

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

Every word from Latin -āticum →Every word from Old French -age →Every word from Old French usage →