___ Lingus

AER

This Irish airline's name starts with the Latin word for "air," often seen on flights between Dublin and North America.

This clue is looking for the abbreviation of "Aer Lingus," the national airline of Ireland. The blank represents the first part of the name, which is often shortened to "AER" in crosswords. Think of it like how "British Airways" might be clued as "___ Airways" with "BA" as the answer. The wordplay relies on recognizing the common shorthand for the airline.