Lake Hamana was called Totsu-awa-umi as a freshwater sea far away from the capital compared to Lake Biwa, and the names of 'Omi Province (the present-day Shiga Prefecture)' and Totoumi Province (the west of present-day Shizuoka Prefecture) originated from those old lake names. |
近淡海に対し、都から遠い淡水の海として浜名湖が遠淡海(とおつあわうみ)と呼ばれ、それぞれが「近江国(おうみのくに、現在の滋賀県)」と遠江国(とおとうみのくに、現在の静岡県西部)の語源になった。 |