予よ約やく済ずみよやくずみじ字FuriganaMeanings1noun which may take the genitive case particle 'no', nounreserved; booked; already takenIndicates that a seat, room, ticket, or other resource has already been reserved and is not available. Often used in signs, online forms, or when checking availability.この席せきは予よ約やく済ずみです。This seat is reserved.