Sigh - The Greek word in the verse (John 17:22) you used has a different meaning than the Hebrew word used in Isaiah 42:8.
It has a different meaning in Catholicism. :)
The Hebrew word for glory is commonly used in the scriptures. Consider the context in Exodus here and John.
1391 dóksa (from dokeō, "exercising personal opinion which determines value") – glory. 1391 /dóksa ("glory") corresponds to the OT word, kabo (OT 3519, "to be heavy"). Both terms convey God's infinite, intrinsic worth (substance, essence). And he said , I beseech thee, shew me thy glory. And now, O Father, glorify thou me with thine own self with the glory which I had with thee before the world was. And the glory which thou gavest me I have given them; that they may be one, even as we are one: