What language did the word that means mahjong first come from?
CREATE TABLE "examples_of_chinese_loanwords_in_japanes" (
  "japanese" text,
  "r_maji" text,
  "meaning" text,
  "chinese" text,
  "romanization" text,
  "source_language" text
);
SELECT "source_language" FROM "examples_of_chinese_loanwords_in_japanes" WHERE "meaning"='mahjong';