Where does “Poissonization” come from?

Poissonization (English) comes from English poisson, from French Poisson, from Middle French poisson, from Old French poisson, from Old French peis, from Vulgar Latin pesum, from Latin pēnsum, from Latin pendō — to stretch.

Poissonization (English): Analysis of a multivariate combinatorial distribution by turning interdependent variables into independent Poisson distributions

Definitions

  1. Analysis of a multivariate combinatorial distribution by turning interdependent variables into independent Poisson distributions

Ancestry of “Poissonization”, step by step

Poissonization traces back through two separate lines of ancestry.

via English poisson

StepLanguageWordMeaning
1EnglishpoissonThe Poisson distribution
2FrenchPoissonfish marine animal
3Middle Frenchpoissonfish
4Old Frenchpoissonfish
5Old FrenchpeisAlternative form of pais; Alternative form of...
6Vulgar Latinpesum
7Latinpēnsumallotment, portion, weight (of wool measured out to a slave to spin in a day)
8Latinpendōto weigh, weigh out
9Proto-Italicpendōhang, put in a hanging position
10Proto-Indo-European(s)péndeti
11Proto-Indo-European(s)pend-to stretch

via English ization

StepLanguageWordMeaning
1Englishization
Every word from Proto-Indo-European (s)pend-