Plural of cano; possibly referring to white-haired people, or elders in Spanish/Portuguese contexts, though this is an archaic or regional term.
From Spanish/Portuguese cano (gray-haired or white-haired), derived from Latin canis (white). May also relate to canoe in some contexts.
In older Spanish literature, calling someone 'cano' was a poetic way to indicate age and wisdom—the silver in their hair connected them to authority and experience.
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