The old man's back was bent, and he walked slowly.
Tips
usage
佝 is a bound character that almost never stands alone. It appears in 佝偻 ('hunchbacked') and the medical term 佝偻病 ('rickets'), a childhood bone disease from vitamin D or calcium deficiency.
Supplies the sound. Standalone 句 is read jù, but here it has drifted to gōu; its older curved-shape sense also hints faintly at the bent posture the word describes.