Complex sentence: The word "Ipanema" comes from the old Tupi language, meaning "bad water"; in the sense of bad for fishing, since the waves die too close to the sand, pushing fish away.
Split into simpler sentences: The word "Ipanema" comes from the old Tupi language, meaning "bad water". In this case, it means bad for fishing, since the waves die too close to the sand, pushing fish away.