Origin of INTRINSIC
French intrinsèque internal, from Late Latin intrinsecus, from Latin, adverb, inwardly; akin to Latin intra within — more at intra-
First Known Use: 1635
Origin of INHERENT
Latin inhaerent-, inhaerens, present participle of inhaerēre (see inhere)
First Known Use: 1581
Origin of INHERE
Middle English enheren to be a companion, belong, from Latin inhaerēre to be attached, from in- + haerēre to adhere
First Known Use: 15th century
Inherent : belonging to the basic nature of someone or something.(companion-like)
intrinsic :belonging to the essential nature of a thing : occurring as a natural part of something (from within)
Difference is that intrinsic is something from within, while inherent is friend-like.