This is the 156th most frequent Polish word.
czerwca
"Czerwca" means "of June" (genitive case of "czerwiec," which is June).
The word 'czerwca' here is used to denote a specific time period within the month of June in the locative case, as part of an activity happening in that month.
W czerwcu odwiedzamy naszych dziadków.
In June, we visit our grandparents.
The word 'czerwca' is used in the genitive case here to provide a specification regarding a date.
Wydarzenie odbyło się drugiego czerwca.
The event took place on the second of June.
The word 'czerwca' appears in the genitive case, indicating possession or association related to June.