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