ی م مy-m-m
(ن) يَمَّ يَيُمُّ يَمًّاyamma yayummu yamman (original form: يَمَمَ يَيْمُمُyamama yaymumu): to cast (someone) into the sea; to make for something. (this verb is not used in the Quran).
يَمٌّyamm (noun, ism dhāt): sea, river, a great body of water. ﴿فَاقْذِفِيْهِ فِي الْيَمِّ﴾ (Ṭā Hā 20:39); ﴿فَاَغْرَقْنٰهُمْ فِي الْيَمِّ﴾ (Al-Aʿrāf 7:136)
Form V (tafaʿʿul) تَيَمَّمَ يَتَيَمَّمُ تَيَمُّمًاtayammama yatayammamu tayammuman: to make for something (deliberately); hence the juristic term "tayammum". ﴿فَتَيَمَّمُوْا صَعِيْدًا طَيِّبًا﴾ (An-Nisāʾ 4:43); ﴿وَلَا تَيَمَّمُوا الْخَبِيْثَ مِنْهُ تُنْفِقُوْنَ﴾ (Al-Baqarah 2:267)