In some words in Persian the letter ی is read as 'ā': موسی /Mu | learn Persian

In some words in Persian the letter ی is read as "ā":
موسی /Musā/
(Moses)
عیسی /Isā/
(Jesus)
حَتّی /hattā/
(even [as an adverb])
عَلی‌رَغمِ /alāraqm-e/
(despite; contrary to)