Tāpatraya

Tāpatraya refers to the three sources of Tāpa (literally, heat, or suffering) recognised in Hindu philosophy:^[1]

1. Ādhyātmika — the suffering caused by 'internal' factors like diseases^{[citation needed]}
2. Ādhibhoutika — the suffering caused by physical forces such as earthquakes etc.^{[citation needed]}
3. Ādhidaivika — the suffering caused by Karmic factors^{[citation needed]}

References

1. Reddy, Srinivas (7 December 2010). The Giver of the Worn Garland KRISHNADEVARAYA'S AMUKTAMALYADA. Penguin UK. ISBN 978-81-8475-305-9.