the name of a plebeian family of the Sempronia gens. The name was supposed by Ateius the philologist to have been originally given to one of the Sempronii, because he had a head like a tudes (tudit-is) or mallet. (Festus, p. 352, ed. Müller.)
A Dictionary of Greek and Roman biography and mythology
Smith, William
A Dictionary of Greek and Roman biography and mythology. William Smith, LLD, ed. 1890