Preparatory (adjective) — تحضيري أو إعدادي: Done in preparation for something. Below are 8 words with a similar meaning; the linked ones have full GL Dictionary entries with their meaning in Arabic.
Serving as an introduction; basic.
Happening at the beginning; the first letter of a name.
Preliminary work that prepares for later tasks.
preliminarypriorfoundationalopeningreadying