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The uise o this Phoenician letter for a vowel soond is due tae the early Greek alphabets, which adoptit the letter as O "omicron" tae represent the vowel /o/. Its oreeginal soond value wis that o a consonant, probably, the soond representit bi the cognate Arabic letter letter ع ʿayn. ʿeyn, meanin "eye", an indeed its shape oreeginates simply as a drawin o a human ee (possibly inspired bi the correspondin Egyptian hieroglyph, c.f. Its graphic fairm haes an aa remained fairly constant frae Phoenician times till the day.
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O ( named o / ˈ oʊ/, plural oes) is the fifteent letter an a vowel in the ISO basic Latin alphabet. Cursive script 'o' and capital 'O' in the U.S.
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