Abhidhamma: Is craving really the samudaya of suffering?

The Abhidhamma knowingly says the 2nd Noble Truth according to Sutta is: > Tattha katamaṁ dukkhasamudayaṁ ariyasaccaṁ? Yāyaṁ taṇhā > ponobhavikā nandirāgasahagatā tatratatrābhinandinī, seyyathidaṁ— > kāmataṇhā, bhavataṇhā, vibhavataṇhā. > > 203. Therein what is the Noble Truth of the samudaya of suffering? That craving leading to new existence, is accompanied by > passionate lust, is strong passion for this and that. For example: > craving for sense pleasure, craving for existence, craving for > non-existence. > > https://suttacentral.net/vb4/en/thittila The Abhidhamma then says the 2nd Noble Truth according to Abhidhamma is: >Tattha katamo dukkhasamudayo? Taṇhā— ayaṁ vuccati “dukkhasamudayo” > > 206 Therein what is the samudaya of suffering? Craving. This is called > the samudaya of suffering. > > https://suttacentral.net/vb4/en/thittila#pts-cs206 My questions: 1. What is the meaning of the Pali word 'samudaya' according to Sutta? 2. Can craving alone be the 'samudaya' of suffering according to Sutta?