In an ancient manner; referring to something that has occurred in the past or relates to ancient times.

प्राचीन रूप से

English Usage: They conducted their ceremonies anciently, as their ancestors did.

Hindi Usage: उन्होंने अपने अनुष्ठानों को प्राचीन रूप से किया, जैसा कि उनके पूर्वजों ने किया था।