Dukkhasamudayo Ariyasaccaṃ (Cause of Suffering)

Dukkhasamudayo Ariyasaccaṃ (The Noble Truth of the Cause of Suffering)

Traditional bhavachakra wall mural of Yama holding the wheel of life, Buddha pointing the way out
The twelve nidanas are typically shown on the outer rim of a Bhavachakra in Buddhist artwork

Samudaya - "origin", "source", "arising", "coming to existence";[web 8] "aggregate of the constituent elements or factors of any being or existence", "cluster", "coming together", "combination", "producing cause", "combination", "rising."[web 9]