(p. 189) ōṭhabasa, ōṭhabōsa act of sitting down and standing up alternately and repeatedly (as a punishment or physical exercise). 8)

(p. 189) ōpāra the other side or bank (of a river, etc.). 22)

(p. 189) ōlāicaṇḍī the goddess of cholera. 47)

(p. 189) ōẏājiba just, proper, right; necessary, essential. 27)

(p. 189) ōḍra old name of Orissa. 11)

(p. 189) ōjhā a quack professing to have (supernatural) power of curing snakebites and other morbidities; an exorcist. 4)

(p. 189) ōsāra breadth, width; also dial. variant of ওয়াড় । 57)

(p. 189) ōrē coll. & poet. form of ওকে । int. used in addressing or apostrophizing. 40)

(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)

(p. 189) ōlā2, ōlānō1 (dial.) to take down, to bring down. 46)

(p. 188) ōki, ōkī expressing: inquisitiveness, amazement, fright etc., what's that. 13)

(p. 189) ōḍ়iśā Orissa. ওড়িশি a. of or pertaining to Orissa. n. an Indian style of classical dance that originated in Orissa. 17)

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

(p. 189) ōlandāja Dutch. a. a Hollander, a Dutch; the Dutch language. 45)

(p. 189) ōlō used by (usu. village) women in addressing one another, hullo. 51)