Stoop (verb)

1. Bend one's head, shoulders, or upper body forward and down, typically in a submissive or respectful gesture.
2. Bend down to pick something up.
3. Become lower or less in status or quality.

Origin:

Late middle english: of unknown origin.

Examples:

1. He stooped to tie his shoelace.
2. She stooped to pick up the fallen pen.
3. The company stooped to using cheap materials to cut costs.
4. He stooped his head as a sign of respect.
5. The old man stooped as he walked.