الصوم بالانجليزي

a period during which a person does not eat or drink, especially for religious reasons

رَمَضَانُ شَهْرُ الصَّوْمِ عِنْدَ المُسْلِمِيْنَ

Ramadan is the month of fast for Muslims

بَدَأْتُ الصَّوْمَ

I went on a fast