Etymology [ 'mA-s&n ] (noun.) 13th century. From Middle English masoun, machun, from Anglo-Norman machun, masson, from Old Low Frankish *mattio, from Proto-Germanic *maitōn (compare German obsolete Metz, Steinmetze), from *maitanan (“to cut, hew”) (compare Old High German meizan, East Frisian matje, Old Norse meita), from Proto-Indo-European *mai-d- (“to alter”) (compare Old Lithuanian apmaitinti (“to wound”), Latvian màitât (“to spoil, destroy”)), enlargement of Proto-Indo-European *mei- (“to change, exchange”). More at mean, mutate.
Tenses masons, masoning, masoned