修士
しゅうし · shuushi · JLPT N1 · noun
plan
🎓 修 = study + 士 = scholar: a scholar made by completing advanced study
修 means to study or cultivate, and 士 means scholar or gentleman. A master's is the degree after a bachelor's, so 修士 literally means a scholar who has done further study.
修 — 亻 person + 攸 (phonetic) + 彡 hair/decoration
修 combines 攸 (a phonetic component originally showing a person being washed) with 彡, which depicts flowing hair or ornamental strokes. The 彡 element suggests grooming, polishing, or adorning, giving 修 its core meaning of cultivating, repairing, or refining oneself or things.