A person transmits a command to decapitate the twin cows and DEN you have to carry it out.
|( を ) つた＊える||
I tell someone (use this one for, "Tell her I said hello!")
|( が ) つた＊わる||
something is transmitted
tradition (traditional: 伝統的な （でんとうてきな））
a legend - King Arthur or Lord of the Rings or whatever.