From Japanese-German FreeDict Dictionary ver. 0.2.0:
[news1] [nf09] 商 /(en)tʃˈaɪniːz(ja)lˈe̞tə/, [news1] [nf09] しょう /ɕˈo̞ɯᵝ/
(noun (common) (futsuumeishi))
(noun, used as a suffix)
積・1 [mathematics] (1) (m) Quotient, (2) (m) Händler, (m) Kaufmann, (3) (m) Handel, (n) Gewerbe, (4) (m) Shang (älteste historisch belegte chin. Dynastie; ca. 16. Jhd. v.Chr. bis 1050 v.Chr.)