Etymology Map
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Sea

3 stages from Proto-Germanic to English.

Today it means the expanse of salt water covering most of the Earth

Where does the word "sea" come from? It comes from Proto-Germanic saiwiz, passing through Old English before entering English (1500s).

1
Stage 1 of 3
saiwiz
Proto-Germanic · ancient
"sea, lake"
of unknown origin, perhaps a pre-Germanic word from the North Sea coast
2
Stage 2 of 3
sǣ
Old English · 700s-1000s
"sea, lake"
used for both seas and lakes, as German 'See' still is
3
Stage 3 of 3
sea
English · 1500s
"sea"
'at sea', meaning confused, dates from the 1700s
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Sea’s story begins in Proto-Germanic: saiwiz meant “sea, lake.” Of unknown origin, perhaps a pre-Germanic word from the North Sea coast. By 700s-1000s, the word had taken hold in Old English as sǣ. Used for both seas and lakes, as German 'See' still is. It reached English by 1500s as sea. 'at sea', meaning confused, dates from the 1700s. Today, sea means the expanse of salt water covering most of the Earth.