-O-


Meaning of -O- in English

Etymology: Greek, thematic vowel of many nouns and adjectives in combination — used as a connective vowel originally to join word elements of Greek origin and now also to join word elements of Latin or other origin

Merriam Webster. Explanatory English dictionary Merriam Webster.      Толковый словарь английского языка Мерриам-Уэбстер.