Plural of an unused noun from the same as shphiyphon and meaning the same; serpents; Shuppim, an Israelite -- Shuppim.
see HEBREW shphiyphon
H8206. Shuppim
שֻׁמִּים proper name, masculine 1. ׳שׁ 1 Chronicles 7:15, Μαμφειν, A Σεφφειμ, ᵐ5L Σαφιν, apparently = שֻׁמִּם 7:12, Σαπφειν, ᵐ5L Σαφαν (compare שְׁפוּפָם שֻׁמִּים,).
2 שֻׁמִּים door-keeper, 1 Chronicles 26:16.