What is “inspiration”?

This is the second of a series of posts on inspiration, inerrancy, and hermeneutics.
Part 1: “All or “every” Scripture?
This leads us to the specific meaning of the word theopneustos. The phrase “inspired by God” seeks to render this enigmatic near hapax legomenon which is a compound adjective with the components theos ‘God’ and pneustos ‘breathed’, [...]