An archaic or rare term for a type of small cavity, pocket, or potentially a specific botanical or anatomical structure with diminutive form.
Possibly from Spanish or Portuguese with roots in Latin 'alveus' (hollow); exact etymology unclear due to rarity of the term.
Alvelos is so obscure that even comprehensive historical dictionaries struggle to pinpoint its exact meaning—it's a linguistic fossil from an era when naturalists invented dozens of tiny-sounding Latin diminutives.
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