This is the 4345th most frequent Polish word.
gestowi
"Gestowi" means "to a gesture" or "pertaining to a gesture" in English.
In this sentence, "gestowi" is in the dative form, referring to a 'gesture' that has been appreciated.
Podziękowania za piękny gestowi, który pokazał wspaniałe serce.
Thanks for the beautiful gesture that showed a wonderful heart.
Here, "gestowi" highlights the reason or cause, showcasing the gesture as a source of the good outcome.
Jego gestowi zawdzięczamy to, że mogliśmy osiągnąć sukces.
We owe it to his gesture that we were able to achieve success.
Here, "gestowi" in dative case indicates something to which gratitude is directed—personification of the gesture as a recipient.