In Irish, Slán means 'safety' or simply be safe.The person leaving says 'Slán agat' and the person remaining says 'Slán leat';(this is for single individuals rather than plural, which would be...
In Irish it is common to hail people and say goodbye to them by invoking God's blessing on them. Hence there are a variety of sayings similar to the one queried. The phrase queried is not strictly...