Where does “સાબુદાની” come from?

સાબુદાની (Gujarati) comes from Gujarati સાબુ, from Arabic صَابُون, from Aramaic צַפּוֹן, from Ancient Greek σάπων, from Latin sāpōnem, from Latin sāpō, from Proto-Germanic saipǭ, from Proto-Indo-European seyb- — to pour, leak, trickle; to pour out, trickle,...

સાબુદાની (Gujarati): soapbox