Where does “lazy louse” come from?

lazy louse (English) comes from English lazy, from Middle Low German lasich, from Middle Low German las, from Old Saxon lahs, from Proto-Germanic lahsaz, from Chinese 拉薩, from Tibetan ལྷ་ས, from Old Tibetan ར་ས.

lazy louse (English): One who is lazy; a lazy ass

Definitions

  1. One who is lazy; a lazy ass

Ancestry of “lazy louse”, step by step

lazy louse traces back through two separate lines of ancestry.

via English lazy

StepLanguageWordMeaning
1EnglishlazyUnwilling to do work or make an effort;...
2Middle Low Germanlasichslack, languid, idle; slack, feeble, lazy
3Middle Low Germanlaspatch, scrap; tired, dull; salmon
4Old Saxonlahs
5Proto-Germaniclahsazsalmon
6Chinese拉薩
7Tibetanལྷ་སLhasa
8Old Tibetanར་ས

via English louse

StepLanguageWordMeaning
1EnglishlouseA small parasitic wingless insect of the order...
2Middle Englishlouslouse; A person or thing worthy of contempt or...
3Old Englishlūslouse
4West Germanic*lūs
5Germanic*lūs
6Proto-Indo-EuropeanlewH-louse
Every word from Old Tibetan ར་ས