Over time, this word underwent a figurative extension of meaning and came to have a new meaning.

He is an expert in astrophysics, and his research is highly valued around the world.

He is always a ragequitter in games.

Please refrain from going out because community-acquired infections are spreading rapidly.

He is in the midst of studying for the exam.

He has completed the entry and exit procedures.

We introduced a new milking machine to the farm.

He has a self-centered personality and doesn't listen to others' opinions at all.

He is majoring in aerospace engineering.

His misdeeds should receive divine punishment.