What does "fasting" (sawm) mean?

What does "sawm" mean in Arabic?

The meaning of fasting in Arabic is ‘’sawm’’ and ‘’siyam’’. The word “sawm” means “to keep away from something, to restrain oneself, to prevent oneself in Arabic.
As a Fıqh term, it means “to keep away from eating, drinking and conjugal relations (jima) between husband and wife from dawn untill the sunset (maghrib) consciously and by seeking a goal.