In Colombia and especially in the Department of Casanare is a surname of indigenous origin, of the étnia Sáliva. In Chile it means to understand, to understand, to realize. In Quechua means loose, loose, un moored.
Cachay jargon deformation of cachai, vulgarism by? Do you realize that? Some synonyms, words or similar expressions may be, you know? , cachai? Handle? Get?