Where does “moonsickness” come from?

moonsickness (English) comes from English moonsick, 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 — to seek out.

moonsickness (English): The state or condition of being moonsick

Definitions

  1. The state or condition of being moonsick

Ancestry of “moonsickness”, step by step

StepLanguageWordMeaning
1EnglishmoonsickInsane or emotionally deranged, either temporarily or permanently
2EnglishsickIn poor health; ill; Having an urge to vomit;...
3EnglishsicThus; thus written; To mark with a bracketed sic;...
4EnglishseekTo try to find; to look for; to search for; To...
5Middle EnglishsekeAlternative form of seken
6Old Englishsēċanto seek or inquire about
7Proto-West Germanicsōkijanto seek, to look for
8Proto-Germanicsōkijanąto seek, look for
9Proto-Indo-Europeanséh₂gyetito give a sign
10Proto-Indo-Europeanseh₂g-to seek out
Every word from Proto-Indo-European seh₂g-Every word from Proto-Indo-European séh₂gyetiEvery word from Proto-Germanic sōkijaną