thrymsa

[thrim-zuh, -suh]

Origin of thrymsa

before 1000; borrowed by 17th-century antiquarians < Old English, alteration of trymesa (by influence of thrīe three), genitive plural of trymes < Late Latin tremis a coin, equivalent to Latin trē(s) three + -mis, as in semis semis
Dictionary.com Unabridged Based on the Random House Unabridged Dictionary, © Random House, Inc. 2018