Where does “lainier” come from?

lainier (French) comes from French laine, from Middle French laine, from Old French lainne, from Latin lāna, from Proto-Indo-European h₂wĺ̥h₁neh₂, from Proto-Indo-European -nós — Creates verbal adjectives from roots.

lainier (French): wool manufacturer, trader etc; wool

Definitions

wool manufacturer, trader etc; wool

Ancestry of “lainier”, step by step

lainier traces back through two separate lines of ancestry.

via French laine

Step	Language	Word	Meaning
1	French	laine	wool
2	Middle French	laine	—
3	Old French	lainne	—
4	Latin	lāna	wool
5	Proto-Indo-European	h₂wĺ̥h₁neh₂	wool
6	Proto-Indo-European	-nós	Creates verbal adjectives from roots

via Latin lānārius

Step	Language	Word	Meaning
1	Latin	lānārius	wool-worker
2	Latin	-ārius	er
3	Proto-Italic	*-āzios	Forms relational adjectives to nouns (and rarely numerals)

Every word from Proto-Indo-European -nós →Every word from Proto-Indo-European h₂wĺ̥h₁neh₂ →Every word from Latin lāna →