The Collaborative International Dictionary
Obtesting
Obtest \Ob*test"\, v. t. [imp. & p. p. Obtested; p. pr. & vb. n. Obtesting.] [L. obtestari; ob (see Ob-) + testari to witness, fr. testis a witness.]
To call to witness; to invoke as a witness. [R.]
--Dryden.To beseech; to supplicate; to beg for. [R.]
Wiktionary
obtesting
vb. (present participle of obtest English)