"Jämbördig" is a swedish rod with the meaning " Equal" or "as good as".
The word is a compound word with "jäm" being a short version of "jämn" which means "even" and "bördig" meaning "fertile" though i dont know how this combination of words became the word equal.
Boys who enjoy yaoi (a genre in Japan that contains sexual and/or romantic relations between two men); literally translates to "rotten boy"; corresponding female : fujoshi