See also: کو, and كو Ottoman Turkish Suffix ـكو • (-gi or -gu) Forms abstract nouns from verb stems سومك (sevmek, “to love”) + ـكو → سوكو (sevgi, “love”) References Redhouse, James W. (1890) “ـكو”, in A Turkish and English Lexicon, Constantinople: A. H. Boyajian, page 1579Wikiwand - on Seamless Wikipedia browsing. On steroids.