Because it's a mitzva (meritorious Torah-precept) to enjoy the Sabbath.
In Croatian, you can say "sretan subota" to wish someone a happy Sabbath.
Yes and no. The Jewish word for Sabbath is "Shabbat." Christians just say Sabbath.
"Happy Sabbath" (though this is not a standard greeting for the sabbath. It would be more appropriate to say Shabbat Shalom, "a peaceful sabbath").
Black Sabbath Never Say Die - 1984 is rated/received certificates of: Australia:G
Any time you see another Jewish person on the sabbath, and you want to greet them.
"Shabbat Shalom!"
isabbato nzinza
Shabbati Mindt
Feliz Sabado
homeda pa
Sabato Njema