course of action; path to take
A fixed expression meaning the appropriate or advisable course of action one should take. Often used in formal or advisory contexts.
We need to carefully consider the course of action to take from now on.
He is unsure about the path he should take.
Standard kanji spelling; 採る is used for 'adopt/take' in this fixed expression.
Kana spelling is also common, especially in less formal writing.
A compound of 採る (toru, 'to adopt/take') + べき (beki, 'should') + 道 (michi, 'path/way'). The expression is transparent and follows standard grammar.