Meaning of K in English
the eleventh letter of the english alphabet, is nonvocal consonant. the form and sound of the letter k are from the latin, which used the letter but little except in the early period of the language. it came into the latin from the greek, which received it from a phoenician source, the ultimate origin probably being egyptian. etymologically k is most nearly related to c, g, h (which see).
Webster English vocab. Английский словарь Webster. 2012