What is the meaning of Astu?

inflection of astua:

1. present indicative connegative
2. second-person singular present imperative
3. second-person singular present imperative connegative

present indicative connegative

second-person singular present imperative

second-person singular present imperative connegative

third-person plural of as (“out of”)

city, Athens specifically

ablative singular of astus

genitive plural of aste

free time

first-person dual imperative of astat

Source: wiktionary.org