A preliminary or initial stage, often relating to something that is the first in importance or rank.

प्राथमिक

English Usage: The primary shock from the earthquake was felt miles away.

Hindi Usage: भूकंप से प्राथमिक झटका मीलों दूर महसूस किया गया।

A sudden disturbance or impact that causes an emotional or physical reaction.

झटका

English Usage: The news of the accident came as a primary shock to the community.

Hindi Usage: दुर्घटना की खबर समुदाय के लिए प्राथमिक झटका के रूप में आई।