For two sākin sounds meeting, first distinguish a within-word configuration from a meeting created by joining two words.
دَآبَّة involves madd followed by inherent sukūn.
When joining وَأَقِيمُوا الصَّلَاةَ, hamzat al-waṣl drops and the terminal madd-wāw's vocal duration is removed according to the connecting rule; the written wāw is not erased.
A special joining case also occurs when tanwīn is followed by hamzat al-waṣl, requiring a kasrah on the pronounced nūn of tanwīn.
Ask first: Am I stopping or connecting? The answer changes the applicable rule.
Opening interactive controls...
When two sākin sounds meet
Comprehensive Revision — Applying Tajwīd Rules
For two sākin sounds meeting, first distinguish a within-word configuration from a meeting created by joining two words.
دَآبَّة involves madd followed by inherent sukūn.
When joining وَأَقِيمُوا الصَّلَاةَ, hamzat al-waṣl drops and the terminal madd-wāw's vocal duration is removed according to the connecting rule; the written wāw is not erased.
A special joining case also occurs when tanwīn is followed by hamzat al-waṣl, requiring a kasrah on the pronounced nūn of tanwīn.
Ask first: Am I stopping or connecting? The answer changes the applicable rule.