(ض) وَصٰى يَصِيْ وَصْيًاwaṣā yaṣī wa-ṣyan (original form: وَصَيَ يَوْصِيُwaṣaya yawṣiyu): of a thing, to be joined to another, as grass is intertwined; then of a matter being attached to some action, i.e. to be enjoined. (This verb is not used in the Quran.)
وَصِيَّةٌwaṣiyyah (on the pattern of فَعِيْلَةٌfaʿīlah): injunction, bequest, testament. ﴿كُتِبَ عَلَيْكُمْ اِذَا حَضَرَ اَحَدَكُمُ الْمَوْتُ اِنْ تَرَكَ خَيْرَۨا الْوَصِيَّةُ﴾ (Al-Baqarah 2:180)
Form IV (ifʿāl) اَوْصٰى يُوْصِيْ اِيْصَآءًawṣā yūṣī īṣāʾan: to enjoin a matter or deed, to make a bequest; مُوْصٍmūṣ (active participle, ism fāʿil): one who makes a bequest, testator. ﴿يُوْصِيْكُمُ اللّٰهُ فِيْٓ اَوْلَادِكُمْ﴾ (An-Nisāʾ 4:11); ﴿مِنْۢ بَعْدِ وَصِيَّةٍ يُّوْصِيْ بِهَآ اَوْ دَيْنٍ﴾ (An-Nisāʾ 4:11); ﴿فَمَنْ خَافَ مِنْ مُّوْصٍ جَنَفًا اَوْ اِثْمًا﴾ (Al-Baqarah 2:182)
Form II (tafʿīl) وَصّٰى يُوَصِّيْ تَوْصِيَةًwaṣṣā yuwaṣṣī tawṣiyatan: to enjoin (repeatedly and with care), to make a bequest. ﴿وَوَصّٰى بِهَآ اِبْرٰهِۦمُ بَنِيْهِ وَيَعْقُوْبُ﴾ (Al-Baqarah 2:132); ﴿وَوَصَّيْنَا الْاِنْسَانَ بِوَالِدَيْهِ﴾ (Luqmān 31:14)
Form VI (tafāʿul) تَوَاصٰى يَتَوَاصٰى تَوَاصِيًاtawāṣā yatawāṣā tawāṣiyan: to enjoin one another. ﴿وَتَوَاصَوْا بِالْحَقِّ وَتَوَاصَوْا بِالصَّبْرِ﴾ (Al-ʿAṣr 103:3)