পূর্বসর্গ - উল্লম্ব অবস্থানের পদান্বয়ী অব্য�়

to or at higher position without direct contact

in contact with and upheld by a surface

at a position above or higher than something

at or to a higher point on

used to indicate that something is physically positioned on the top of something else

positioned on the upper surface of something

in a position beneath or underneath

used to indicate a location that is below something else

in or to a position lower than and directly beneath something

used to show that something or someone is directly below or under something