| ̷ ̷ ̷ ̷| ̷ ̷t(ə)rē, -ri adjective
Etymology: Late Latin introductorius, from Latin introductus (past participle of introducere to introduce) + -orius -ory
: being or belonging to an introduction or serving to introduce : preliminary , prefatory
an introductory section of a book
an introductory course in mathematics
remarks introductory to a main speaker