Paintbrush (noun)

A tool consisting of bristles or hair set into a handle, used to apply paint to a surface.

Origin:

The word 'paintbrush' comes from the noun 'paint', meaning a colored liquid used to produce a picture or design on a surface, and the noun 'brush', meaning a tool used to apply it.

Examples:

1. She carefully selected the right paintbrush for the job.
2. The artist used a variety of paintbrushes to create the intricate details in his painting.
3. The paintbrush was a crucial tool in the painter's kit.
4. She used a small paintbrush to touch up the trim.
5. The paintbrush was cleaned carefully after each use to maintain its shape and bristles.