stash
stash
/stæʃ/
(informal)
stash something + adv./prep. to store something in a safe or secret place
She has a fortune stashed away in various bank accounts.
The gun was stashed under the bed.
She's probably got loads of cash stashed away.
Stash the gun in the boot of my car.
The kids have been stashing crisps and chocolate at the end of the garden.
Word Origin
late 18th cent.: of unknown origin.
e.g.
They tattooed in onto their bodies. Those bodies that shared the same cell... ...Now had the coded location of the gold stash inked right onto them! 入れ墨を彫ったのさ 同房になった死刑囚たちの体に 埋蔵金のありかをしるした暗号をな (/yupeco/『ゴールデンカムイ』1話)