This is a jukugo word that uses the on'yomi readings of the kanji. You should be able to read this on your own.
No matter how much money you make, you can't take it with you to the underworld.
"I'll tell you something that'll be your souvenir for the realm of the dead" said the man, and began to tell me his secret, keeping his gun pointing at me.
After preparing for the journey to the underworld by dressing the body in Buddhist robes and applying makeup for the deceased, they will go on to the next life.