What does the cryptic crossword clue "King is greeting wise man from the East (5)" mean?

The wordplay uses a charade (building blocks). R (synonym="king") + IS (synonym="IS") + HI (synonym="greeting") = RISHI The answer is RISHI.

King is greeting wise man from the East (5)

Guardian Cryptic #29532 | 23 Down | 2024-11-05 flower