"Tharasu" is a somewhat archaic term that can have different meanings depending on the context. Here are some possible English translations depending on the specific meaning:
* "Power": If it refers to the power of a king or ruler, then "power" would be a suitable translation.
* "Authority": If it refers to the authority or influence of a person, then "authority" might be a good translation.
* "Strength": If it refers to physical strength or power, then "strength" could be used.
* "Rule": If it refers to the act of ruling or governing, then "rule" might be appropriate.
To accurately understand the meaning of "Tharasu" in a specific context, more information about the sentence or situation is needed.