what does the word "tatheer" [تطہیر] mean?

[muqawwee123]

Re: what does the word “tatheer” تطہیر] mean?

@Aceones

no, its not that.
this aayat was revealed regarding Ummahat-ul-Mo’meneen, razi-allaho-anhum

so whats the story behind delegate from Najran?