Multilangual Taxonomy for a multisite Drupal installation -

i have multisite drupal installation. there 17 sites pointing same code base domain access key module. there 17 sites , 1 of them happens spanish site. when sites had been launched, there common taxonomy shared across 17 sites in english (even on spanish site - btw spanish site has base language english).

till now, content added site in spanish. had english categories shared-common taxonomy. now, required convert taxonomy spanish.

what best way , have existing content in spanish site posted under common taxonomy migrated spanish taxonomy?

thanks in advance.

there i18 module multilingual site. , multilingual taxonomy well. however, creates separate new entities. doesn't help. need spanish translation taxonomy on spanish site.

ya possible via translation. see link if works case.