sweet water

The concept of fresh water being sweet is widespread among multiple languages: Terms * PIE: ** Latin aqua dulcis ** Roman: *** Galician auga doce *** Esperanto dolĉakvo *** French eau douce *** Italian acqua dolce *** Norman ieau douoche *** Occitan aiga doça *** Portuguese água doce *** Romanian apă dulce *** Spanish agua dulce ** Ancient Greek γλυκύ ὕδωρ (glukú húdōr), Greek γλυκό νερό (glykó neró) ** Germanic: *** German Süßwasser *** Dutch zoet water *** Swedish sötvatten ** Latvian saldūdens ** Slavic: *** Czech sladká voda *** Macedonian слатка вода (slatka voda) *** Polish słodka woda *** Serbo-Croatian слатка вода *** Slovene sladka voda ** Persian آبِ شیرین ** Tajik оби ширин (ob-i širin) * non PIE: ** Hungarian édesvíz ** Finnish makea vesi ** Turkish tatlı su ** Swahili maji matamu ** Malagasy ranomamy ** Vietnamese nước ngọt

来源：wiktionary