Patach
Patach or pataḥ (Hebrew: פַּתָּח patákh, IPA: [paˈtaħ], Biblical Hebrew: pattā́ḥ) is a Hebrew niqqud vowel sign represented by a horizontal line ⟨ אַ ⟩ underneath a letter. In modern Hebrew, it indicates the phoneme /a/ which is close to the [a] sound in the English word far and is transliterated as an a.