brackish

English

From the now obsolete brack +‎ -ish, from Middle Dutch brac.

brackish (comparative more brackish, superlative most brackish)

(of water) Salty or slightly salty, as a mixture of fresh and sea water, such as that found in estuaries.
- 1638 Herbert, Sir Thomas Some years travels into divers parts of Asia and Afrique
  ...by a low courſe and too long ſporting with the briny Ocean it taſts brackiſh and inſalubrious...
- 1992, Joyce Carol Oates, Black Water, Penguin Books, paperback edition, page 4.
  On all sides a powerful brackish marshland odor, the odor of damp, and decay, and black earth, black water.
- 2004, David Mitchell, Cloud Atlas, Random House.
  The water we took on at Chatham Isle is now brackish & without a dash of brandy in it, my stomach rebels.
Distasteful; unpleasant; not appealing to the taste. (Can we add an example for this sense?)
Repulsive (Can we add an example for this sense?)

slightly salty

Bulgarian: леко солен (leko solen)
Catalan: salabrós
Chinese:
Mandarin: (no adjective exists; "brackish water":) 汽水 (zh) (qìshuǐ), 半海水 (bànhǎishuǐ)
Danish: brak, (brackish water) brakt vand, brakvand (da) n
Dutch: brak (nl)
Finnish: murto- (fi)
French: saumâtre (fr) m or f
German: brackig (de), salzig (de)
Indonesian: payau (id)
Irish: goirt
Italian: salmastra f, salmastro (it) m

Manx: sailjey
Maori: kurutai, kurutaitai, mātaitai, kōtaitai
Norwegian:
Bokmål: brakk (no), (brackish water) brakt vann / vatn, brakkvann (no) n, brakkvatn n
Nynorsk: brakk, (brackish water) brakt vatn, brakkvatn n
Portuguese: salobro (pt) m, salobre m or f
Russian: солонова́тый (ru) (solonovátyj), солёный (ru) (soljónyj)
Spanish: salobre (es)
Swedish: bräckt (sv)
Tagalog: matabsing
Thai: กร่อย (th) (grɔ̀i)
Welsh: lled hallt

distasteful; unpleasant; not appealing to the taste

repulsive — see repulsive