The name of this heroine known for her filial devotion is probably derived from the Latin for "heart"
... 
3To Tam is a biet-hieu (pen name, pseudonym) given the heroine by Dam .... 
Vietnamese use the term truye'n ky, derived from the Chinese ch'uan-ch'i ...... a 
typical heroine of a verse narrative, must decide between filial piety and her love 
for.