katechizein
The term *katechizein* originates from the Greek verb *κατηχίζειν* (katēchizein), which translates roughly to "to echo back" or "to instruct orally." In its earliest Christian usage, the word referred to the oral instruction of new believers in the fundamental tenets of the faith, typically conducted by bishops or other church leaders. This practice was essential in an era when literacy was limited, and teaching relied heavily on verbal transmission.
By the 2nd century, *katechizein* evolved into a structured method of catechesis, where candidates for baptism
The term later influenced the development of the *catechism*, a concise manual summarizing core religious doctrines.
In modern usage, *katechizein* retains its foundational meaning, though it is less commonly used in everyday