1. Czech (Mašín): from the personal name Mašín, a pet form of any personal name beginning with Ma-, in particular Matēj (see Matthew), Martin, and Mauritius (see Morris). It may also be from a short form of Tomáš (see Thomas).
2. Dutch: from a pet form of Thomas.
3. Italian (Veneto): shortened form of Masino.
See the Key to the Dictionary or consult the General Introduction for further explanation.