The word(s) "tathahara" appears 2 time(s) in 2 verse(s) in Quran.

(1) Falamma jaahumu alhaqqu min AAindina qaloo lawla ootiya mithla ma ootiya moosa awa lam yakfuroo bima ootiya moosa min qablu qaloo sihrani tathahara waqaloo inna bikullin kafiroona

(سورة القصص, Al-Qasas, Chapter #28, Verse #48)
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(2) In tatooba ila Allahi faqad saghat quloobukuma wain tathahara AAalayhi fainna Allaha huwa mawlahu wajibreelu wasalihu almumineena waalmalaikatu baAAda thalika thaheerun

(سورة التحريم, At-Tahrim, Chapter #66, Verse #4)
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