Looking up...
The treasure was buried beneath the old oak tree.
The treasure was hidden under the old oak tree.
in or to a lower position than something else
She hid the key beneath the doormat.
She placed the key under the doormat for safety.
The city lies beneath the mountain.
The city is located at a lower elevation than the mountain.
Often used to describe physical position or location.
inferior to in rank, status, or importance
He felt beneath her notice.
He believed he was not worthy of her attention.
Such behavior is beneath a professional.
Such behavior is unworthy of a professional.
Used to express that something is unworthy or beneath one's dignity.
Remember that 'beneath' can describe physical position or figurative status. Context will help you determine which meaning is intended.
'Beneath' is a preposition and is always followed by a noun or pronoun. It is not used as a verb.
From Middle English 'beneathe', from Old English 'beneoþan', from 'be-' (by) + 'neoþan' (down). Related to 'nether' and 'netherworld'.
Can be used both literally (physical position) and figuratively (status or worthiness). The figurative sense is often used in negative constructions.