Where does “nacrein” come from?

nacrein (English) comes from English nacre, from Middle French nacre, from Old French nacre, from Latin nacchara, from Arabic نَقَّارَة — small drum; drum.

nacrein (English): A matrix protein that is involved in the...

Definitions

A matrix protein that is involved in the...

Ancestry of “nacrein”, step by step

nacrein traces back through two separate lines of ancestry.

via English nacre

Step	Language	Word	Meaning
1	English	nacre	A shellfish which contains mother-of-pearl; A...
2	Middle French	nacre	nacre shellfish
3	Old French	nacre	—
4	Latin	nacchara	—
5	Arabic	نَقَّارَة	small drum; drum

via English in

Step	Language	Word	Meaning
1	English	in	Used to indicate location, inclusion, or position...
2	Middle English	in	Any kind of accomodation; particularly; A home or...
3	Old English	in	in; Alternative form of inn
4	Proto-West Germanic	*in	—

Every word from Arabic نَقَّارَة →Every word from Latin nacchara →Every word from Old French nacre →