Noun before the twelfth century, within the meaning outlined at sense 1a Adjective thirteenth century, inside the this means outlined at sense one Verb 1807, inside the meaning outlined at transitive sense 1a Books with technical information on how to do one thing or the way to use some machines https://davidhoffmeister.com/david-hoffmeister-the-message/metaphysics-of-a-course-in-miracles/