약속
yaksok · TOPIK 1
appointment
🤝📅 約束 = bind (約) + tie up (束): a promise ties you to your word
Both hanja mean to bind or bundle, so a promise is something you are doubly tied to. The same word covers an appointment, since a set meeting time binds you too. Sound hook: yak-sok, like a yak in socks who never misses a date.