noun / verb
blossom
BLAH-sum/ˈblɑːsəm/
To produce open flowers and flourish.
The apple twig blossoms with pale-pink flowers among fresh green leaves.

Etymology
Old English blōstm was the ordinary native word for a flower. Its meaning was broader than the familiar use of blossom for flowers on fruit trees.
In context
Once a blossom is pollinated, its petals fall away, and the centre starts to swell into a tiny apple.
More examples
- Pink blossoms covered the orchard.
- Their friendship blossomed during the project.
- The shop has blossomed into a thriving business.
Forms
blossom · blossoms · blossomed · blossoming