propaedeutic
An introductory course of instruction.
This chapter aims to be a propedeutic because there are many specific lines of argument that could, and should, be developed from the observation of the unique values-based and globalized-movement nature of co-operatives […]
Where it comes from
From the Ancient Greek προπαιδεύω (propaideúō, “I give preparatory instruction”), from πρό (pró, “before”) + παιδεύω (paideúō, “I teach”).
Adapted from the Wiktionary entry propaedeutic (CC BY-SA 4.0).