This is the 226th most frequent Czech word.
jedno
"Jedno" in Czech means "one" or "the same," and can also imply "it doesn't matter" depending on context.
'Jedno' is used as a numeral meaning 'one', describing a single item (apple).
Mám jen jedno jablko.
I have only one apple.
'Jedno' is part of a phrase meaning 'I regard this situation as indifferent or unimportant'.
Je mi to jedno.
I don't care.
'Jedno' specifies a single choice or alternative from multiple options.