-O-
obduracies, the 5 mental: ceto-khila (q.v.).
obhása: 'effulgence of light', aura, appearing at times during deep insight (vipassaná), may become a 'defilement of insight' (vipassanúpakkilesa); cf. visuddhi, V.
object: árammana (q.v.); as condition s. paccaya (2).
obstacles, the 10 o. of meditation: palibodha (q.v.); for the 5 mental obstacles, or hindrances, s. nívarana.
odáta-kasina: 'white-kasina-exercise'; s. kasina.
ogha: 'floods', is a name for the 4 cankers (ásava, q.v.).
ojá: 'nutriment' (synonym of áhára, q.v.), is one of those 8 minimal constituent parts, or qualities, of all corporeality, to wit: the solid, liquid, heat, motion; colour, odour, taste and nutriment. This is the 'octad with nutriment as the eighth (factor)' (ojatthamaka-kalápa), also called the 'pure eightfold unit' (suddhatthaka-kalápa), being the most primitive material combination. For further details, s. rúpa-kalápa.
okkanti: 'conception', lit. 'descent', designates the appearance of the embryo in the mother's womb, i.e. the beginning of the birth process (játi, q.v.). "Through the concurrence of 3 circumstances arises the embryo. When father and mother have united, ... and the mother has her time, and the 'genius' (metaphorically for the karma energy) is ready; under these 3 circumstances does the embryo appear" (M. 38).
old age: jará (q.v.), is one of the 3 divine messengers (s. devadúta).
olfactory organ: s. áyatana.
omána: 'inferiority-conceit'; s. mána.
once-eater, the practice of the: s. dhutanga.
one-group existence: eka-vokára-bhava (q.v.).
one-pointedness of mind (citt'ekaggatá): a name for mental concentration (samádhi, q.v.).
opapátika: lit. 'accidental' (from upapáta, accident; not from upapatti, as PTS Dict. has); 'spontaneously born', i.e. born without the instrumentality of parents. This applies to all heavenly and infernal beings. "After the disappearing of the 5 lower fetters (samyojana, q.v.), he (the Anágámi) appears in a spiritual world (opapátika) ...."
open air, practice of living in the: s. dhutanga.
opposite: 'overcoming by the opposite,' s. pahána.
orambhágiya-samyojana: the 'lower fetters', i.e. the first 5 fetters that bind to lower existence; s. samyojana.
origination, dependent: paticcasamuppáda (q.v.).
origination of corporeality: s. samutthána.
ottappa: 'moral dread'; s. hiri-ottappa.
overcoming, the 5 kinds of: s. pahána. - Full understanding consisting in o.; s. pariññá - the effort to overcome, s. padhána. - Overcoming doubt, the purification by; s. visuddhi, IV.