Compare the Four Adoption Subtypes

Six Semantic Functions of Form VIII (Iftiʿāl): Adoption, Exertion, Selection, Response, Equivalence, and Independent Usage

All four share the broad idea of adoption, but the lexical object changes the actual reading.

Source formGiven meaningDistinguishing element
اِجْتَحَرَMade an openingMaking
اِجْتَنَبَTook a sideChoosing a side
اِغْتَدَى الشَّاةَTook the animal as foodUsing as food
اِعْتَضَدَTook hold of the upper armHolding

These differences explain why the four source examples are presented separately.