под собой

under oneself; beneath oneself; figuratively, as the basis or foundation for something

→ под
phrase Rare #42,389
under oneself; beneath oneself; figuratively, as the basis or foundation for something The exact form под собой is used in phrases such as иметь под собой основу (“to have a basis”) and ходить под себя (“to lose control of one’s bodily functions”). In literal spatial contexts, it means “beneath oneself.”
RU: Ваша теория не имеет под собой научной основы.
EN: Your theory has no scientific basis.

Полюбуйся на лужу под собой.

Admire the puddle beneath you.

— Сука-любовь (2000)