εἰς/eis

This word connects two groups of words together and describes how they relate to one another. It is a preposition.

This word means to indicate direction: into, unto, and to.
- This word means to indicate position as; in, among, upon.
This word indicates relation: as, for, against, in respect to.
This word demonstrates a cause: because of.
- This word indicates purpose:;for the purpose of.

See: Matthew 8:23; 9:7, Mark 1:45