used to support the Messenger of Allah, peace

be upon him.

peace be upon him is the answer

Explanation:

The Arabic phrase ʿalayhi s-salām (عَلَيْهِ ٱلسَّلَامُ), which translates as "peace be upon him" is a conventionally complimentary phrase or durood attached to the names of the prophets in Islam. The English phrase is also given the abbreviation PBUH in English-language writing. An extended variant of the phrase reads ṣallā -llāhu ʿalayhī wa-ʾālihī wa-sallama (Arabic: صَلَّىٰ ٱللَّٰهُ عَلَيْهِ وَآلِهِ وَسَلَّمَ‎, lit. 'God bless him and his family and grant him peace'), and it is often abbreviated SAW or SAWSin writing. The Arabic phrase is given the name Salawat. The phrase is encoded as a ligature at Unicode code point U+FDFA ﷺ ARABIC LIGATURE SALLALLAHOU ALAYHE WASALLAM[1]



Ṣallā Allāhu ʿalayhi wa-sallam written in calligraphic form



Example of the name Muhammad with the salatphrase attached in thuluthcalligraphy.

Some Islamic scholars have voiced disagreement with the practice of abbreviating these phrases, arguing that it demonstrates laziness and a lack of respect.[2]

Why Muslims say 'Peace be upon him' when Muhammad's name is mentioned. Divine blessings on Prophet Muhammad (Peace be upon him) is the highest and the most meritorious act in our religion. ... When Almighty Allah sends Durood and Salaams upon Prophet Muhammad (Pace be upon him), He is actually blessing him