jjokki could be from German "Jacke" (afaik here are also many German loanwords in japanese, specially in engineering & medical fields) ppang sounds like it ca

jjokki could be from German "Jacke" (afaik here are also many German loanwords in japanese, specially in engineering & medical fields) ppang sounds like it came from french "pain" mang-toh also french "manteau"