[1] : The Collaborative International Dictionary of English v.0.48

obtest \obtest"\, v. t. imp.  p. p. obtested; p. pr.  vb.
   n. obtesting. l. obtestari; ob see ob- + testari to
   witness, fr. testis a witness.
   1. to call to witness; to invoke as a witness. r. --dryden.
      1913 webster

   2. to beseech; to supplicate; to beg for. r.
      1913 webster
see also:
obtested obtesting ob- 

[2] : The Collaborative International Dictionary of English v.0.48

obtest \obtest"\, v. i.
   to protest. r. --e. waterhouse.
   1913 webster

Obtest >> O Words
Obtest, definition of term: Obtest
obtest_pag1.html