自新

自新	zì xīn	to reform oneself / to mend one's ways and start life anew
自	zì	(bound form) self; oneself / from; since / naturally; as a matter of course
新	Xīn	abbr. for Xinjiang 新疆 / abbr. for Singapore 新加坡 / surname Xin
新	xīn	new / newly / meso- (chemistry)