fem. proper name, from Greek opheleia "help, aid," from ophelein "to help, aid, assist," ophelos "advantage, help," from PIE root *obhel- "to avail" (source also of Armenian avelum "increase, abound").
operative
operator
operculum
operetta
operose
Ophelia
ophidian
ophidiophobia
ophio-
ophiomancy
ophiophagous
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