在 + 原处 / 回到 + 原处
The noun 原处 (yuánchù) means 'original place' or 'the same spot,' referring to the location where something was before. It combines 原 (original) and 处 (place). It commonly appears with 在 to indicate that something remains in or has returned to its original position.
用完之后请把工具放回原处。
yòng wán zhīhòu qǐng bǎ gōngjù fàng huí yuánchù.
Please put the tools back in their original place after use.
那幅画还挂在原处,没有人动过。
nà fú huà hái guà zài yuánchù, méiyǒu rén dòng guò.
That painting is still hanging in its original place; no one has touched it.
他站在原处等了很久,她始终没有出现。
tā zhàn zài yuánchù děng le hěn jiǔ, tā shǐzhōng méiyǒu chūxiàn.
He stood in place and waited for a long time, but she never showed up.