If the prefix-ex means "out" what is the exact meaning of expulsion

Read the incomplete quatrain. the snowy hill calls to the sleeping child come play! it's time to run, and jump, and slide! my slope is steep, and every ride is wild! which line completes the quatrain's "abab" rhyme scheme? wake up! it's time to come enjoy the snow! wake up! i long for kids to come and play! awake, sweet child! embrace the winter thrills! awake, sweet child! it's time to come outside!

In the song mallam sile sings in lines 113 through 130 the knife probably represents

How does tiresias prophecy affect the plot of the story ?