צוּץ tsûwts (H6692)

to twinkle, i.e. glance; by analogy, to blossom (figuratively, flourish)

1) to blossom, shine, sparkle 1a) (Qal) 1a1) to flourish 1a2) to shine, gleam 1b) (Hiphil) to blossom, put forth blossoms, produce blossoms 2) (Hiphil) to gaze, peep, glance, make the eyes sparkle

a primitive root;