صيام بالانجليزي

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

رَمَضَانُ شَهْرُ الصِّيَامِ عِنْدَ المُسْلِمِيْنَ

Ramadan is the month of fast for Muslims

بَدَأْتُ الصِّيَامَ

I went on a fast