Unless you're actually writing a Shakespeare send-up, using a centuries-obsolete word is definitely bad translation. Just because a word is in the dictionary do

Unless you're actually writing a Shakespeare send-up, using a centuries-obsolete word is definitely bad translation. Just because a word is in the dictionary doesn't mean it means it means anything to your audience. It's still included because it's an iconic gag at this point. It's still a bad translation, but they know fans love it, and that's okay.