Where does “planesick” come from?

planesick (English) comes from English sick, from English sic, from English seek, from Middle English seke, from Old English sēċan, from Proto-West Germanic sōkijan, from Proto-Germanic sōkijaną, from Proto-Indo-European séh₂gyeti — to seek out.

planesick (English): from travelling in an airplane

Definitions

  1. from travelling in an airplane

Ancestry of “planesick”, step by step

planesick traces back through two separate lines of ancestry.

via English sick

StepLanguageWordMeaning
1EnglishsickIn poor health; ill; Having an urge to vomit;...
2EnglishsicThus; thus written; To mark with a bracketed sic;...
3EnglishseekTo try to find; to look for; to search for; To...
4Middle EnglishsekeAlternative form of seken
5Old Englishsēċanto seek or inquire about
6Proto-West Germanicsōkijanto seek, to look for
7Proto-Germanicsōkijanąto seek, look for
8Proto-Indo-Europeanséh₂gyetito give a sign
9Proto-Indo-Europeanseh₂g-to seek out

via English plane

StepLanguageWordMeaning
1EnglishplaneOf a surface: flat or level; A level or flat...
2Middle Englishplane
3Old Frenchplane
4Latinplatanusplanetree, sycamore
5Greekπλάτανοςplane tree
6Ancient Greekπλάτανοςplanetree
7Ancient Greekπλατύςwide, broad; flat, level; broad-shouldered
8Proto-Indo-Europeanpléth₂usflat, broad
9Proto-Indo-Europeanpleth₂-flat
Every word from Proto-Indo-European seh₂g-Every word from Proto-Indo-European séh₂gyetiEvery word from Proto-Germanic sōkijaną