An Aticāra (partial transgression) of the vow of Sthūlaprāṇātipātaviramaṇa Vrata (first gross vow of the lay follower, viz., abstinence from gross violence);
to put excessive burden on the Jīvas (humans, beasts etc.).
'aibhāre' tti atibhārāropaṇaṃ tathāvidhaśaktivikalānāṃ mahābhārāropaṇam.
(Upā 1.32 Vṛ p. 10)