تَوَاصَوْا

A word in the Arabic language will either be: 1) a verb or 2) a noun or 3) a particle – تَوَاصَوْا is a verb

A verb will either be: 1) past tense or 2) present or future tense or 3) a command or request verb, also called an imperative –تَوَاصَوا is a past tense verb

They enjoined upon each other, bequethed each other

To join to, be joined, be contiguous, to have dense vegetation

الْغَائِبُ هُمْاِسْمُ الْمَفْعُوْلِاِسْمُ الْفَاعِلِو ص يتَوَاصَى يَتَوَاصَىبَابٌ تَفَاعُلٌ
Subject TheyPassive participleActive participleRootForm 6 (Reflexive/مُطَاوِعٌ of form 3)اَلْمَصْدَرُ
مُتَوَاصًامُتَوَاصٍفِعْلٌSubject and object are the same. Verb is directed back at the subjectتَوَاصُيٌ
Verb of command Requestفِعْلُ أَمْرٍPresent and future tense verbفِعْلٌ مُضَارِعٌPast tense verbفِعْلٌ مَاضٍ
He enjoinsيَتَوَاصَىHe enjoinedتَوَاصَى
They two enjoinيَتَوَاصَيانِThey two enjoinedتَوَاصَيَا
They enjoinيَتَوَاصَوْنَThey enjoinedتَوَاصَوْا
She enjoinsتَتَوَاصَىShe enjoinedتَوَاصَتْ
They two (feminine) enjoinتَتَوَاصَيَانِThey two (feminine) enjoinedتَوَاصَتَا
They (feminine) enjoinيَتَوَاصَيْنَThey (feminine) enjoinedتَوَاصَيْنَ
EnjoinتَوَاصَYou enjoinتَتَوَاصَىYou enjoinedتَوَاصَيْتَ
Enjoin (You two)تَوَاصَيَاYou two enjoinتَتَوَاصَيَانِYou two enjoinedتَوَاصَيْتُمَا
Enjoin (You all)تَوَاصَوْYou all enjoinتَتَوَاصَوْنَYou all enjoinedتَوَاصَيْتُمْ
Enjoin (feminine)تَوَاصَيْYou (feminine) enjoinتَتَوَاصَيْنَYou (feminine) enjoinedتَوَاصَيْتِ
Enjoin (You two feminine)تَوَاصَيَاYou two (feminine) enjoinتَتَوَاصَيَانِYou two (feminine) enjoinedتَوَاصَيْتُمَا
Enjoin (You all feminine)تَوَاصَيْنَYou all (feminine) enjoinتَتَوَاصَيْنَYou all (feminine) enjoinedتَوَاصَيْتُنَّ
I enjoinأَتَوَاصَىI enjoinedتَوَاصَيْتُ
We enjoinنَتَوَاصَىWe enjoinedتَوَاصَيْنَا

Surah/Below are the 3 verses in the holy Quran containing the derived, form 6, third person, plural, perfect verbتَوَاصَوْا
Verse  
51-53
51-53
90-17then he became of those who believed and recommended to patience and recommended to mercyثُمَّ كَانَ مِنْ الَّذِيْنَ ءَامَنُوْا وَتَوَاصَوْا بِالصَّبْرِ وَتَوَاصَوْا بِالمَرْحَمَةِ
Except those who believe and do righteous deedsإِلَّا الَّذِيْنَ ءَامَنُوْا وَعَمِلُوْا الصَّالِحَاتِ
103-3and enjoin one another to the truth and enjoin one another to patienceوَتَوَاصَوْا بِالْحَقِّ وَتَوَاصَوْا بِالصَّبْرِ