(p. 189) ōẏāstā act of attaching importance; serious attention, heed, care; dependence; sake (কীসের ওয়াস্তে). ওয়াস্তা করা, ওয়াস্তা রাখা v. to care (for), to heed, to pay attention (to); to attach importance (to); to depend (upon). 33)

(p. 188) ō2 that or yonder person or creature or thing, a person or creature or thing in question, he, she, it.  a. that immediately preceding, last (ও মাসে). adv. too, also, moreover (সে খাবেও); even (নামও শুনিনি).  con. and.  int. expressing; a call, recollection, amazement, pity etc.; holla, ho; ah, oh. 3)

(p. 189) ōrasā wet, moist. 38)

(p. 189) ōsa dew. 56)

(p. 188) ōi that; yonder.  adv. there.  int. expressing mild regret for negligence, lapse of memory etc.; ah, ah me (ওই যা). 4)

(p. 188) ōcalānō to winnow, to fan (grain etc.) free of husks and chaff. 20)

(p. 189) ōlāna udder (of cattle etc.) 50)

(p. 189) ōẏāpasa act of giving back, return. ওয়াপস করা v. to give back, to return. 29)

(p. 188) ōjasbī strong; vigorous; (rhet.) ornate and vigorous. fem. ওজস্বিনী । ওজস্বিতা n. strength; vigour; (rhet.) ornateness and vigour of style.

(p. 189) ōla an edible bulbous plant akin to arum or turnip. যেমন বুনো ওল তেমনি বাঘা তেঁতুল (fig.) measure for measure. 41)

(p. 189) ōṣadhi, ōṣadhī a plant that dies after bearing fruit but for once. 52)

(p. 189) ōhō expressing: recollection, amazement, regret etc., ah.

(p. 188) ō the mystic sound denoting the Hindu trinity; the origin or root of all sounds; the symbol representing the Supreme Being. ওঁকার, ওঙ্কার, ওংকার n. the sound ওঁ (cp. chest-note). 5)

(p. 188) ōkālatanāmā power of attorney. 11)

(p. 189) ōstāda a trainer, a music-master or music-teacher; a master artist or artisan. a. skilled, expert. ওস্তাদি n. efficiency, skill, mastery; cleverness; an attempt to parade one's skill or mastery, bravado; uncalled-for act of coming forward to help; officiousness. a. pertaining to a trainer or music-master or master artist or master artisan. ওস্তাদি করা v. to try to parade one's skill or mastery; to come forward uncalled-for to help; to be officious. 59)