grommet

名词 grommet:

1. fastener consisting of a metal ring for lining a small hole to permit the attachment of cords or lines
   同义词：cringle, eyelet, loop, grummet

grom.met

n.（名词）

A reinforced eyelet, as in cloth or leather, through which a fastener may be passed.
扣眼：一个加固过的小孔，如在布料或皮革上，纽扣可以穿其而过
A small metal or plastic ring used to reinforce such an eyelet.
扣环：用来加固扣眼的金属或塑料小环
Nautical A loop of rope or metal used for securing the edge of a sail to its stay.
【航海】 索环，索眼：用来把船帆的边缘系在支索上的绳环或金属环

来源：
Probably from obsolete French gromette, gormette [chain joining the ends of a bit]
可能源自 已废法语 gromette, gormette [连在马嚼子端处的绳子]
from Old French
源自 古法语
from gourmer [to bridle]
源自 gourmer [给（马）上辔头]