Zajím
Zajím is a linguistic term used to refer to the verb stem zajím- in Czech and Slovak, which express interest or engagement. It is most often described in grammar as the base to which personal endings attach to form present tense conjugations of related verbs, notably Czech zajímat and Slovak zaujímať. The stem carries the core meaning “to interest” and functions as the grammatical anchor for inflection across persons and numbers.
In Czech, present tense forms built on the zajím- stem include zajímám, zajímáš, zajímá, zajímáme, zajímáte, zajímají.
Zajím should not be confused with zájem, a noun meaning “interest” or “concern,” which is etymologically related
Notes and references in grammar guides typically illustrate zajím- with example conjugations and compare Czech zajímat