late 13c., disseveren, "divide asunder, separate," from Anglo-French deseverer, Old French dessevrer (10c.), from des- "apart" (see dis-) + sevrer "to separate" (see sever). Intransitive sense of "to part" is from early 15c. Related: Dissevered; dissevering; disseverment; disseveration.
updated on July 06, 2022