What is the origin and definition of "glorified body"?

Most mainstream Christian denominations refer to Christ as having a "glorified body" and teach that saved humans will have glorified bodies in the afterlife. The concept seems to be based on **Philippians 3:20–21**: > For our conversation is in heaven; from whence also we look for the Saviour, the Lord Jesus Christ: > > Who shall change our vile body, that it may be fashioned like unto his **glorious body**, according to the working whereby he is able even to subdue all things unto himself. The word "glorious" is an adjective, meaning: "*having, worthy of, or bringing fame or admiration*", or "*having a striking beauty or splendor that evokes feelings of delighted admiration*". It is used casually, without further explanation, yet today the term seems to be used quite freely in many publications, as if everyone understands that it means something very specific and very different from the basic meaning of that adjective. For instance, [*A Glorified Body: The Necessity of Our Resurrection*](https://www.gty.org/blogs/B130701/a-glorified-body-the-necessity-of-our-resurrection#:~:text=They%20will%20be%20real,and%20glorified.) says that glorified bodies: > will be real, physical, genuinely human bodies — the very same bodies we have while on this earth—yet wholly perfected and glorified. What exactly is the definition of "glorified body", and what is the origin of this term, the concept and doctrine that it will be physical? --- Note that I'm not asking for what scriptures are consistent with this belief, I'm asking for the history of its development.