common name of a type of flowering shrub from the West Indies, also frangipane, 1670s, for a perfume that had its odor, from French frangipane (16c.), said to be from Frangipani, the family name of the Italian inventor.
FRANGIPANI, an illustrious and powerful Roman House, which traces its origin to the 7th c., and attained the summit of its glory in the 11th and 12th centuries. ... The origin of the name Frangipani is attributed to the family's benevolent distribution of bread in time of famine. ["Chambers's Encyclopædia," 1868]
Frangipane as a type of pastry is from 1858.