inynierskimi
Inynierskimi is not a standard Polish term. It is most likely a misspelling or typographical error of inżynierskimi, the instrumental plural form of the adjective inżynierski, meaning engineering-related or engineering. The base noun is inżynier (engineer), from which the adjective is formed with the suffix -ski.
In Polish, inżynierski describes things connected with the field of engineering. Common phrases include projekty inżynierskie
The term reflects the close relation between engineering disciplines and language used to describe methods, tools,
Etymology traces back to inżynier (engineer) and the adjectival suffix -ski, forming inżynierski with related nouns