Muhammad said: It is said 'wa'adtu al-mawluda' (I buried the newborn alive) when I bury him alive, so I am a 'wa'id' (burier alive), and the infinitive noun (masdar) is 'wa'dan'.
قَالَ مُحَمَّدٌ: يُقَالُ وأدتُ المولودَ إِذَا دَفَنْتُهُ حَيًّا، فَأَنَا وائدٌ، والمصدر إدَةً.