The Collaborative International Dictionary of English v.0.48:

-ose \-ose\suff. [L. -osus: cf. F. -ose. Cf. -ous.]
   [1913 Webster]
   1. A suffix denoting full of, containing, having the
      qualities of, like; as in verbose, full of words; pilose,
      hairy; globose, like a globe.
      [1913 Webster]

   2. (Chem.) A suffix indicating that the substance to the name
      of which it is affixed is a member of the carbohydrate
      group; as in cellulose, sucrose, dextrose, etc.
      [1913 Webster]

V.E.R.A. -- Virtual Entity of Relevant Acronyms (February 2016):

OSE
       Open Software / System Environment


The Free On-line Dictionary of Computing (30 December 2018):

OSE

   Open Systems Environment