quả sầu riêng
Quả: Sino-Vietnamese for 果 ("fruit"). Sầu: Sino-Vietnamese for 愁 ("sorrow"). Riêng: Vietnamese for "self/own/private/special." Altogether, the literal translation of quả sầu riêng is the "fruit of one's own sorrows."
Durian was named "quả sầu riêng" from an ancient commemorative love story from the Tây Sơn Dynasty, which a man that stayed faithful to his wife after death and had a strong memory of both eating the stinky-but-delicious tu-rên (or durian) that represented their love at first sight.