migracjom
Migracjom is the dative plural form of the Polish noun migracja, which means migration. Migracja refers to the movement of people, animals, or goods from one place to another, often across borders or regions. The term is used across disciplines including demography, sociology, history, and ecology. From a linguistic perspective, migracja is a feminine noun of the -acja suffix. Its declension includes: nominative migracje, genitive migracji, dative migracjom, accusative migracje, instrumental migracjami, locative migracjach. The form migracjom is therefore used whenever the noun is in the dative plural, for example after a verb or preposition that requires the dative case.
In practice, Polish speakers more often refer to migrations in the nominative migracje or other cases, while