obduracies,
obhāsa:
object:
obstacles,
odāta-kasina:
ogha:
old age:
olfactory organ:
omāna:
once-eater,
one-group existence:
one-pointedness of mind
open air,
opposite:
orambhāgiya-samyojana:
origination,
origination of corporeality:
ottappa:
overcoming,