Where does “Shannon stopover” come from?

Shannon stopover (English) comes from English stopover, from English over, from Middle English over, from Old English ōfer, from Proto-West Germanic obar, from Proto-Germanic uber, from Proto-Indo-European upér, from Proto-Indo-European upó.

Shannon stopover (English): A compulsory stopover at Shannon Airport that was imposed on airline flights from North America which intended to visit another airport in the Republic of Ireland (such as Dublin), which applied to all flights from 1986 to 1993, then half of all flights until its abolition in 2007

Definitions

  1. A compulsory stopover at Shannon Airport that was imposed on airline flights from North America which intended to visit another airport in the Republic of Ireland (such as Dublin), which applied to all flights from 1986 to 1993, then half of all flights until its abolition in 2007

Ancestry of “Shannon stopover”, step by step

Shannon stopover traces back through two separate lines of ancestry.

via English stopover

StepLanguageWordMeaning
1EnglishstopoverA short interruption in a journey or the place...
2EnglishoverDiscontinued; ended or concluded; Thoroughly;...
3Middle Englishoverriverbank, seashore, brink
4Old Englishōferriverbank, seashore, brink, edge, margin, border
5Proto-West Germanicobarover, above
6Proto-Germanicuberover; over, above
7Proto-Indo-Europeanupérabove; over
8Proto-Indo-Europeanupóunder, below
9Proto-Indo-Europeanh₃ewp-

via English Shannon

StepLanguageWordMeaning
1EnglishShannoninto the Atlantic Ocean
2IrishSionainnthe Shannon
Every word from Proto-Indo-European h₃ewp-Every word from Proto-Indo-European upóEvery word from Proto-Indo-European upér