A phrase used to express gratitude or thankfulness. It translates to ‘may AllahThe proper name of God in Islam and in Arabic, referring to all of His perfect attributes at once. This name is a proper noun, and no other entity or being is allowed to have... More reward you with goodness’ and is used to ask Allah to impart blessings upon an individual.
The common response to this phrase is wa iyyāka or wa iyyākum which means ‘and to you (as well)’.
The proper Arabic conjugation is Jazākallāhu Khayra when speaking to a male or Jazākillāhu Khayra when speaking to a female.