| O | ||
| NAME | ROOT | MEANING |
| Obbol (f) | khmer | water plant, water vegetation, water flora |
| • Obbol Cheath (f) | khmer | obbol + cheath (life, essence) : water plant life |
| • Obbol Vana (f) | khmer, sanskrit | obbol + vana (forest) : forest of water plants |
| • Obbol Vari (f) | khmer | obbol + vari (water) : water plants in a lake or pond |
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Oddom (m)
(also Oudom) |
khmer | superior, supreme, highest, greatest, best, paramount, superlative, above all others |
| • Oddom Cheath (u) | khmer | oddom + cheath (life) : highest birth, noble birth |
| • Oddom Duong Chett (u) | khmer | oddom + duong chett (soul, spirit) : most beloved, one who is much loved |
| • Oddom Kunthea (f) | khmer | oddom + kunthea (fragrance) : finest fragrance |
| • Oddom Montrey (m) | khmer | oddom + montrey (statesman) : supreme statesman, highest statesman |
| • Oddomsak (m) | khmer | oddom + sak (rank) : highest ranking |
| • Oddom Srirath (f) | khmer | oddom + sri (girl) + rath (nation) : most beloved girl in the nation |
| • Oddom Vichea (m) | khmer | oddom + vichea (knowledge) : supreme knowledge, highest education, superior instruction |
| • Oddom Vongsa (m) | khmer | oddom + vongsa (family line) : revered family, virtuous family, beloved family |
| Oppama (m) | khmer | hypothetical, hypothetically, speculating |
| Ottey (u) | khmer | progression, elevation, ascension, advancement |
| • Arunotey (u) | khmer | arun (sun) + ottey : sunrise, dawn, ascension of the sun |
| • Sokhotey (u) | khmer | sokha (happiness) + otey : happiness that grows, joy that ascends, blissfulness that rises |
| • Suryotey (u) | sanskrit, khmer | surya (sun) + otey : sunrise, dawn, ascension of the sun |
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