Where does “jumboization” come from?

jumboization (English) comes from English Jumbo, from Swahili jumbe, from Swahili umba, from Proto-Bantu -bʊ́mba — to work clay.

jumboization (English): The shipbuilding technique of enlarging a ship by inserting middle sections to it, extending its length

Definitions

  1. The shipbuilding technique of enlarging a ship by inserting middle sections to it, extending its length

Ancestry of “jumboization”, step by step

jumboization traces back through two separate lines of ancestry.

via English Jumbo

StepLanguageWordMeaning
1EnglishJumboA nickname for one or that of a large size
2Swahilijumbechief, headman
3Swahiliumbato create; to fashion; to make pottery
4Proto-Bantu-bʊ́mbato work clay

via English ization

StepLanguageWordMeaning
1Englishization
Every word from Proto-Bantu -bʊ́mba