Definition of pertainment in US English:

pertainment

noun

Scottish
rare
  • That which pertains to something or someone; a belonging; an appurtenance. In early use specifically (Scottish) = "pertinent".

Origin

Late 17th century. From pertain + -ment. Compare Anglo-Norman purtaynement, purteinement, French † pertenement, Old Occitan pertenemen, pertenemeint, Spanish † pertinimiento.

Pronunciation

pertainment

/pəˈteɪnmənt/