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estuary (n.)
[estuary 词源字典]
1530s, from Latin
aestuarium
"a tidal marsh, mudbeds covered by water at high tides; channel inland from the sea," from
aestus
"boiling (of the sea), tide, heat," from PIE
*aidh-
"to burn" (see
edifice
).
[estuary etymology, estuary origin, 英语词源]