1. asked a question or made an inquiry about something
Usage: past tense and past participle of enquire; chiefly British English; American English typically uses 'inquired'
2. investigated or looked into a matter
Usage: often followed by 'into' or 'about'

Examples

• She enquired about the price of the tickets.
• He enquired whether the store was still open.
• The detective enquired into the circumstances of the accident.
• They enquired after her health during the visit.
• I enquired about job opportunities at the company.
• The customer enquired if we offered free shipping.