キュウ、ク

きわ.める

究, 穴, 宀, 冖, 八, 九, 乙

穴

research, study

研究(けんきゅう): study; research; investigation
究極(きゅうきょく): ultimate; extreme; final; eventual
研究室(けんきゅうしつ): (1) laboratory (2) seminar room (3) professor's office