Resembling or having the characteristics of a tree; tree-like in appearance or structure.
From Latin arbor (tree) + -esque (suffix meaning resembling or having the quality of). The suffix -esque comes from Old French and ultimately from Italian -esco, used to describe something that has a particular style or appearance.
The suffix '-esque' appears in words like 'picturesque' and 'grotesque,' and it's one of English's most useful borrowed tools for describing artistic or natural resemblances—so calling something 'arboresque' connects it to a whole family of descriptive words that painters and architects love.
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