əˈsəm(p)sə̇t, aˈ- noun
( -s )
Etymology: New Latin, he undertook, 3d person singular perfect indicative active of assumere to undertake, from Latin, to take up — more at assume
1.
a. : a form of common-law action on the case not now used in which the plaintiff alleged a breach of agreement by the defendant from which the plaintiff had suffered legal damage
b. : an action on contract to recover damages for a breach or nonperformance of a contract or promise express or implied, oral or in writing, and formerly not under seal — see non assumpsit
2. : a promise or contract not under seal on which an action of assumpsit may be brought