cứu cánh

Etymology
.

Noun

 * 1) result; outcome
 * 2) goal; something to achieve
 * 3)  salvation; rescue

Usage notes
Sense 3 is a common misapplication, resulting from a reanalysis of this word by the etymologically unaware, who associate it with.

Verb

 * 1)  to save; to rescue; to salvage