Thirumukom, meaning respected or sacred face, was a form of address used by common people while referring to their superiors in Kerala state, South India. Medieval ruling chiefs called Pillais were to be addressed as Thirumukhom by the commoners.
The term "Thirumukom" signifies a respectful and reverential address given by common people to their superiors, particularly the Pillais, during the medieval period in Kerala, South India.