きざkizashi
1.

A indication or signal that suggests an upcoming change or development in a situation.

2.

A subtle presence or hint that foreshadows future events or outcomes.

3.

An early manifestation or sign of potential advancement or success.

Example:

その建物は老朽化の兆しを見せている。

きょうじ凶事kyoujinoきざkizashi
1.

An indication or sign that suggests an impending negative or calamitous event.

2.

A signal or warning that something unfortunate or tragic is about to occur.

3.

An early manifestation or portent that foreshadows an adverse occurrence or misfortune.

4.

A foreboding mark or symptom interpreted as a precursor to disaster or terrible happenings.