Complex sentence: The Tai Ahom language (brought by Sukaphaa and his followers), is no longer a spoken language today, but is receiving increased attention for research after centuries of long care and preservation by the Bailungs (traditional priests).
Split into simpler sentences: The Tai Ahom language (brought by Sukaphaa and his followers), is no longer a spoken language today. The language is receiving increased attention for research after centuries of usage by the Bailungs (traditional priests).