It is used as a way to express extreme surprise at a fact. Derived from the word "fathom" which simply means "to understand". Fathometh is used to mean "You understand?" or "Riiiight?" but in old English (or King James English).
Sarah: I can't believe Amy went back to her ex.
Jackie: Fathometh?
church hurt is where you experience a degree of distance, pain, or judgement from your church community. Essentially, you are just unable to “find your place”. This is prevalent in the Christian community, but can be extended to other religions.
Now that I am an adult I am beginning to heal from the church hurt that was inflicted on me as a child.