Estasiorn
"Estasiorn" is a term that appears to be a misspelling or a portmanteau, as it does not correspond to a recognized word, scientific term, or proper noun in standard English or common technical lexicons. It is possible it is a neologism, a specific jargon within a niche community, or a typographical error.
If "estasiorn" is intended to refer to an existing concept, further context would be required to identify