Numeral adjective oktōkaideka (eighteen) in the Gospels-Acts

(Translation from NRSV)


Luke

13: 4Or those eighteen (oktōkaideka) who were killed when the tower of Siloam fell on them - do you think that they were worse offenders than all the others living in Jerusalem?
13: 11And just then there appeared a woman with a spirit that had crippled her for eighteen (oktōkaideka) years. She was bent over and was quite unable to stand up straight.