Step 1: Meaning of the phrase.
“To hail from” means to originate from or to belong to a place. Example: “He hails from Delhi” means “He comes from Delhi.”
Step 2: Analyzing the options.
- To greet: Incorrect, though “hail” can mean greet in old usage, the phrase “hail from” means something else.
- To welcome: Incorrect.
- To come from: Correct.
- (To appreciate: Incorrect.
Step 3: Conclusion.
Thus, the phrase “to hail from” means “to come from.”
Final Answer:
\[
\boxed{\text{to come from}}
\]