Is it some cultism invented for what is done in a group? By the Latin 'per-' ('by') with 'coetus, us' ('joint, union') and the suffix '-ano' ('ascription'); I say 128513; . More than a variant of pergüétano (which is already a variant of perhuétano from peruétano) it seems to me an interpretation confusing by hearsay the /g/ with the /c/. Not to mention that a tilde is missing.
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