CREATE TABLE table_45720 ("Japanese" CLOB, "R\\u014dmaji" CLOB, "Meaning" CLOB, "Chinese" CLOB, "Romanization" CLOB, "Source language" CLOB)

What language did the word that means mahjong first come from?
SELECT "Source language" FROM table_45720 WHERE "Meaning" = 'mahjong'
SELECT "Source language" FROM "table_45720" WHERE "Meaning" = 'mahjong'