bloesem m (plural bloesems, diminutive bloesempje n)
From Middle Dutch bloesem, bloeseme, (also bloesene), from Old Dutch *bluostmo, from Proto-Germanic *blōstmô. Compare Old English blōstma ( > English blossom), Middle Low German blossem, blosem (“blossom”), Middle High German bluost (“blossom”). More at blossom.