This is the 2036th most frequent Polish word.
komu
"Komu" means "to whom" or "whom" (dative case).
Used as an interrogative pronoun to ask to whom an action was directed.
Komu pomogłeś wczoraj?
Who did you help yesterday?
Used in a statement to refer to the recipient of an action.
Dałem prezent komuś specjalnemu.
I gave a gift to someone special.
Used in a complex sentence to denote the recipient of a decision or action.