Where does “nonunionised” come from?

nonunionised (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.

nonunionised (English): Alternative spelling of nonunionized

Definitions

Alternative spelling of nonunionized

Ancestry of “nonunionised”, step by step

nonunionised 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 unionised

Step	Language	Word	Meaning
1	English	unionised	simple past tense and past participle of...
2	English	unionized	simple past tense and past participle of...
3	English	ionized	simple past tense and past participle of ionize

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