Esteeksi
Esteeksi is a Finnish word-form that represents the translative case of the noun este, meaning obstacle or barrier. The translative form expresses a change of state or a role, indicating that something becomes or is taken to be an obstacle, or that it is used as an obstacle or barrier in a given context. In practice, esteeksi is common in sentences describing how something functions as a hindrance or how a measure serves to prevent an action.
In grammar terms, esteeksi is the form used to convey “as an obstacle” or “into an obstacle.”
Etymology reflects its construction from este (obstacle) plus the translative suffix -eksi, which marks a change
See also: este, translatiivinen rektion käyttö, Finnish grammar.