This is the 6732nd most frequent Polish word.
eindhoven
"Eindhoven" is not a Polish word; it is the name of a city in the Netherlands.
Here 'Eindhoven' is used as the name of a place, specifically a city in the Netherlands.
Eindhoven jest miastem w Holandii.
Eindhoven is a city in the Netherlands.
In this sentence, 'Eindhoven' is used to denote a location where an event (conference) took place.
Byłem w Eindhoven w zeszłym roku na konferencji.
I was in Eindhoven last year for a conference.
'Eindhoven' here is instrumental in providing context to the recommendation being made.