obtestation
ob·test
(ŏb-tĕst′)tr.v. ob·test·ed, ob·test·ing, ob·tests
To supplicate; entreat.
[Latin obtestārī : ob-, to; see ob- + testārī, to call as a witness (from testis, witness; see trei- in Indo-European roots).]
ob′tes·ta′tion n.
American Heritage® Dictionary of the English Language, Fifth Edition. Copyright © 2016 by Houghton Mifflin Harcourt Publishing Company. Published by Houghton Mifflin Harcourt Publishing Company. All rights reserved.