[-o] n suffix [perh. fr. [1]oh]: one that is, has the qualities of, or is associated with "bucko"
[2]-o interj suffix [prob. fr. [1]oh]--in interjections formed from other parts of speech "cheerio" "righto"
[-o] n suffix [perh. fr. [1]oh]: one that is, has the qualities of, or is associated with "bucko"
[2]-o interj suffix [prob. fr. [1]oh]--in interjections formed from other parts of speech "cheerio" "righto"
Merriam-Webster English vocab. Английский словарь Merriam Webster. 2012