Where does “lauch” come from?

lauch (Scots) comes from Middle English lahen, from Persian نهنگ, from Middle Persian 𐫗𐫍𐫗𐫃, from Proto-Iranian niθanga-, from Proto-Iranian ni-, from Proto-Indo-Iranian ní, from Proto-Indo-European ni — down.

lauch (Scots): to laugh

Definitions

  1. to laugh

Ancestry of “lauch”, step by step

lauch traces back through 3 separate lines of ancestry.

via Middle English lahen

StepLanguageWordMeaning
1Middle Englishlahen—
2Persianنهنگcrocodile or hippopotamus; whale; Synonym: وال
3Middle Persian𐫗𐫍𐫗𐫃crocodile hippopotamus
4Proto-Iranianniθanga-—
5Proto-Iranianni-down
6Proto-Indo-Iraniannídown, downwards; in, into
7Proto-Indo-Europeannidown

via Middle English laghen

StepLanguageWordMeaning
1Middle EnglishlaghenAlternative form of laughen
2Old Englishhliehhanto laugh
3Proto-West Germanichlahhjanto laugh
4Proto-Germanichlahjanąto laugh
5Proto-Indo-Europeanklek-to laugh, cackle

via Middle English laȝhen

StepLanguageWordMeaning
1Middle Englishlaȝhen—
Every word from Proto-Indo-European ni →Every word from Proto-Indo-Iranian ní →Every word from Proto-Iranian ni- →