imposition

nouns

the act of imposing something (as a tax or an embargo)
imposition, infliction
is derived from
impose
is derived from
impose
an uncalled-for burden
"he listened but resented the imposition"
imposition
is derived from
impose
is a type of (narrower)
an onerous or difficult concern
"the burden of responsibility"; "that's a load off my mind"
burden, encumbrance, incumbrance, load, onus