Where does “Schapong” come from?

Schapong (Hunsrik) comes from Portuguese Japão, from Malay Jepang, from Hokkien 日本, from Middle Chinese 日本 — Land of the Rising Sun.

Ancestry of “Schapong”, step by step

Step	Language	Word	Meaning
1	Portuguese	Japão	Japanese
2	Malay	Jepang	Japanese
3	Hokkien	日本	Japan; Japanese; Japan
4	Middle Chinese	日本	Land of the Rising Sun