What is fourth letter of alphabet?

Dalet or Daled (ד) which is pronounced D

More information about Dalet

Dalet (dāleth, also spelled Daleth or Daled) is the fourth letter of the Semitic alphabets, including:

• Phoenician Dālet ?
  
• Hebrew 'Dālet ד
• Aramaic Dālath ?
• Ugaritic Delta ?
• Syriac Dālaṯ ܕ
• Arabic Dāl د (in abjadi order; 8th in modern order)

. The sound value of Dalet is a voiced alveolar plosive [d].

The letter is based on a glyph of the Middle Bronze Age alphabets, probably called dalt "door" (door in Modern Hebrew is delet), ultimately based on a hieroglyph depicting a door,

The Phoenician letter gave rise to the Greek delta (Δ), Latin D and the equivalent in the Cyrillic Д.