Where does “Laut Jepang” come from?

Laut Jepang (Indonesian) comes from Indonesian laut, from Malay laut, from Classical Malay laut, from Proto-Malayic laut, from Proto-Malayo-Polynesian lahud, from Proto-Austronesian lahud — downstream.

Laut Jepang (Indonesian): Sea of Japan

Definitions

  1. Sea of Japan

Ancestry of “Laut Jepang”, step by step

Laut Jepang traces back through two separate lines of ancestry.

via Indonesian laut

StepLanguageWordMeaning
1Indonesianlautsea
2Malaylautsea
3Classical Malaylautsea
4Proto-Malayiclautseaward; towards the sea
5Proto-Malayo-Polynesianlahuddownstream
6Proto-Austronesianlahuddownstream

via Indonesian Jepang

StepLanguageWordMeaning
1IndonesianJepangJapanese
2MalayJepangJapanese
3Hokkien日本Japan; Japanese; Japan
4Middle Chinese日本Land of the Rising Sun
Every word from Proto-Austronesian lahud →Every word from Proto-Malayo-Polynesian lahud →Every word from Proto-Malayic laut →