Meaning of Underpinning
Unknown / অজানা / अज्ञात
a system of supports beneath a wall or the like.
Often, underpinnings. a foundation or basis: to uncover the emotional underpinnings of an illness.
underpinnings, Informal. underwear, especially women's underwear. the legs.
to prop up or support from below; strengthen, as by reinforcing a foundation.
to replace or strengthen the foundation of (a building or the like).