coir

名词 coir:

1. stiff coarse fiber from the outer husk of a coconut

coir

n.（名词）
The fiber obtained from the husk of a coconut, used chiefly in making rope and matting.
椰子纤维：从椰子果壳获得的纤维，主要用于制造绳与席

来源：
Malayalam kayar [cord]
马拉亚拉姆方言 kayar [绳]
from kayaru [to be twisted]
源自 kayaru [缠绕的]