Sim
SIM
A short nickname form of Simon, ultimately meaning “he has heard” or “hearing.”
Meaning
Sim is best known as a short form of Simon, with the same biblical root. In the traditional etymology given in older name books, Simon comes from Hebrew shama, “to hear,” with senses like “one who hears,” “gracious hearing,” or “hearing with acceptance.” The excerpted sources also note Sim as a Gaelic form of Simon and as a nickname in English usage.
Origin
HebrewGreekLatinEnglishGaelicvaries by culture
Fun fact
Old English surname and nickname forms like Sim-cock show how widely Sim was used as a familiar short form.