the.com/circlet of flowers

means A small ring of flowers woven together to be worn on the head as a decorative wreath or garland.

from From "circlet," a diminutive of "circle" — itself from Latin "circulus," a little ring — by way of Old French. So the word is literally a tiny circle, and to fill it with flowers is to crown a circle with a garden. The flower-wreath itself is ancient: Greeks and Romans bound blooms and leaves into "stephanos" and "corona" to honor victors, gods, and brides, long before the word "circlet" gave it an English name.