What does the cryptic crossword clue "Rolling grass shows way to be followed (3)" mean?

The definition is "way to be followed". The wordplay uses a reversal. OAT (reversal="OAT") = TAO; definition: "way to be followed" The answer is TAO.

Rolling grass shows way to be followed (3)

Independent Cryptic #11470 | 4 Down | 2023-07-17 flower