午後
ごご · gogo · JLPT N5 · noun
afternoon
🕑 午後 = noon + after: the part of the day after noon
午 is noon (the old Hour of the Horse, 11am-1pm) and 後 means after or behind. Its partner is 午前 (gozen), noon + before = A.M. Sound hook: go-go, the day is still on the go after lunch.