straiten
strait.en \'stra-t-*n\ \'stra-t-nin, -*n-in\ vt or strait.en.ing 1a: to
make strait or narrow 1b: to hem in : squeeze together : CONFINE archaic
2: to restrict in freedom or scope : HAMPER 3: to subject to distress,
privation, or deficiency {found himself in R@ed circumstances}
Webster's English Dictionary