Bloom conjures up images of blooming flowers, something in the process of opening up and blossoming. It comes from Middle Low German blōme (to bloom, flower, blossom) from Proto-Germanic *blōmô (flower) which ultimately derives from Proto-Indo-European *bʰleh₃- (to bloom, to flower, to thrive). As a word it’s also used to refer to someone in the ‘bloom’ of youth, someone who’s flourishing in beauty, health, and talent. Bloom is also a surname, an anglicized spelling of Blum and Bloem, a Dutch and Middle German surname meaning “flower, bloom” originating from the source above. As a surname it was used to refer to a florist or gardener.
However, Bloom as a surname also has another source. It comes from Old English bloma meaning “lump of metal, mass”, used to refer to bar of iron or steel that is hammered and rolled into an ingot or used to refer to a spongy mass of metal that’s formed in a furnace and later hammered into wrought iron. It was an occupational surname given to an iron-worker.
Origin: Proto-Indo-European, Old English