- 星期 xīngqī, week; m.w.: 个, e.g., 一个星期,两个星期, etc.
- 星期 xīngqī, day of the week, e.g., 星期一(Monday), 星期二(Tuesday),星期三(Wednesday),星期四(Thursday),星期五(Friday),星期六(Saturday),and 星期天(Sunday)
- 星, a star, planet; meaning radical: 日(radical of sun)
originally, there were three (meaning numerous) 日(as 晶) in the character 星 but simplified to one later. The pronunciation of 星 was also taken from 晶(jīng). (See picture below)
- 期, period of time
meaning radical: 月(radical of moon; to the right of a character) ; phonetic radical: 其(qí)