Kleśa (sanskrit क्लेश, also klesha ) is a term from Indian philosophy and yoga, meaning a "poison". The third śloka of the second chapter of Patañjali's Yogasūtra explicitly identifies Five Poisons (Sanskrit: pañcakleśā):
अविद्यास्मितारागद्वेषाभिनिवेशाः पञ्च क्लेशाः॥३॥
Avidyāsmitārāgadveṣābhiniveśāḥ pañca kleśāḥ
Translated into English, these five (pañca) Kleśa-s or Afflictions (kleśāḥ) are:
References
Kleshas (Hinduism) Wikipedia(Text) CC BY-SA