What is the meaning of Niste?

inflection of nisten:

1. first-person singular present
2. first/third-person singular subjunctive I
3. singular imperative

first-person singular present

first/third-person singular subjunctive I

singular imperative

ne wiste; did not know

food that is brought along to eat at school, at work, on a trip, etc., a packed lunch

inflection of nitan:

1. first/third-person singular preterite indicative
2. singular preterite subjunctive

first/third-person singular preterite indicative

singular preterite subjunctive

negative second-person plural present of bíti

negative second-person plural present of biti

Source: wiktionary.org