Where does “boomsayer” come from?

boomsayer (English) comes from English doomsayer, from English sayer, from English say, from English assay, from Middle English assay, from Anglo-Norman assaier, from Old French essai, from Late Latin exagium — to drive.

boomsayer (English): A person who makes optimistic projections about...

Definitions

  1. A person who makes optimistic projections about...

Ancestry of “boomsayer”, step by step

boomsayer traces back through two separate lines of ancestry.

via English doomsayer

StepLanguageWordMeaning
1EnglishdoomsayerOne who makes dire predictions about the future;...
2EnglishsayerOne who says; one who makes announcements; a...
3EnglishsayTo pronounce; To recite; To tell, either verbally...
4EnglishassayTrial, attempt; Examination and determination;...
5Middle EnglishassayExamining; investigation, looking into, research;...
6Anglo-NormanassaierAlternative form of essaier
7Old Frenchessaitrial
8Late Latinexagiumweight; weighing, testing on the balance;...
9Latinexigōto drive out; expel
10Latinagōto act, to behave
11Proto-Italicagōdrive; push, impel; do, act
12Proto-Indo-Europeanh₂éǵetito be driving
13Proto-Indo-Europeanh₂eǵ-to drive

via English Boom

StepLanguageWordMeaning
1EnglishBoomA Belgian town and municipality in the southwest of the Flemish province of Antwerp
2DutchBooma Belgian town and municipality in the Flemish province of Antwerp
3Dutchbodembottom; soil, ground; earth surface
4Middle Dutchbodem
5Old Dutch*bodom
6Old Englishbotmbottom; foundation; ground; abyss
7Proto-Germanicbutmazbottom; foundation; ground; abyss
8Proto-Indo-Europeanbʰudʰmḗnbottom
9Proto-Indo-Europeandʰewbʰ-deep
10Proto-Indo-Europeandʰewh₂-smoke; mist, haze
Every word from Proto-Indo-European h₂eǵ-