fehlst
fehlst is the second-person singular present indicative form of the German verb fehlen, meaning to be missing or to lack. In German, fehlen is an intransitive verb in which the thing that is missing is typically the grammatical subject, while the person who experiences the lack is in the dative.
The verb is used to describe a lack or absence of something in a given situation. For
Present tense conjugation in the indicative mood is: ich fehle, du fehlst, er fehlt, wir fehlen, ihr
Common phrases and usage notes include duplicating the subject to emphasize the missing thing (Geld fehlt mir),