Where does “lassitude” come from?

Lassitude comes from French lassitude, from Latin lassitudo, from Latin lassus meaning weary, ultimately from Proto-Indo-European led-.

lassitude (English): Lethargy or lack of energy; fatigue; Listlessness...

Definitions

  1. Lethargy or lack of energy; fatigue; Listlessness...

Ancestry of “lassitude”, step by step

StepLanguageWordMeaning
1Frenchlassitudelassitude
2Latinlassitūdōfaintness, weariness, exhaustion, tiredness, lassitude
3Latinlassusweary, faint, tired; exhausted, used up
4Proto-Indo-Europeanled-slow; weary
Every word from Proto-Indo-European led- →Every word from Latin lassus →Every word from Latin lassitūdō →