The inner envelope or membrane that surrounds something, particularly in botanical or biological contexts.
From Greek 'endo-' meaning 'within' and '-ome' meaning a distinct entity or structure, likely influenced by similar scientific terms like 'genome' and 'proteome' that emerged in late 20th-century biology.
While 'endome' is relatively obscure in modern science, it represents how scientists create parallel naming systems—just like 'genome' for all genes, researchers wanted a word for the complete inner membrane system of cells.
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