This is the 12925th most frequent Russian word.
лечебное
"Лечебное" means "therapeutic" or "healing."
Here, "лечебное" is used as an adjective describing the noun "растение" (plant), meaning that the plant has medicinal or healing qualities.
Это лечебное растение обладает многими полезными свойствами.
This medicinal plant possesses many beneficial properties.
In this sentence, "лечебное" modifies "учреждение" (institution), referring to a place where medical or healing activities are conducted.
Он посещает лечебное учреждение каждую неделю для проведения процедур.
He visits a medical institution every week for procedures.
Here, "лечебное" is used as a descriptive aspect of "влияние" (influence), focusing on the restorative and curative qualities attributed to nature's influence.