Where does “malson” come from?

malson (Catalan) comes from Catalan són, from Old Catalan son, from Latin somnus, from Proto-Italic swepnos, from Proto-Indo-European swépnos, from Proto-Indo-European swopnos, from Proto-Indo-European swep- — to sleep.

malson (Catalan): nightmare

Definitions

  1. nightmare

Ancestry of “malson”, step by step

malson traces back through two separate lines of ancestry.

via Catalan són

StepLanguageWordMeaning
1Catalansónhis, her, its
2Old Catalanson
3Latinsomnussleep; drowsiness, slumber sloth, idleness; death
4Proto-Italicswepnos
5Proto-Indo-Europeanswépnossleep, slumber
6Proto-Indo-Europeanswopnosdream
7Proto-Indo-Europeanswep-to sleep

via Catalan mal

StepLanguageWordMeaning
1Catalanmalevil, bad; illness; badly, poorly
2Old Catalanmal
3Latinmalusunpleasant, distressing, painful, nasty, bad;...
4Ancient Greekμηλέαapple tree
5Ancient Greekμῆλονapple; any fruit from a tree; a woman's breast
6Proto-Indo-European(s)meh₁l-small animal”; small animal
Every word from Proto-Indo-European swep-Every word from Proto-Indo-European swopnosEvery word from Proto-Indo-European swépnos