firth
n.
"arm of the sea, estuary of a river," early 15c., Scottish, from Old Norse fjörðr (see fjord).
| 词汇 | firth | 
| 词根词缀 | Online Etymology Dictionary firth n. "arm of the sea, estuary of a river," early 15c., Scottish, from Old Norse fjörðr (see fjord). | 
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