🜄

A 'down' triangle, because water sinks (finds its level).

🜄

1. (alchemy) water, aqua (one of the Classical element)
   • 1797, Sigismund Bacstrom, transl., Chemical Moon-Shine: Wherein is Demonstrated the True Subject of Philosophy, Where We are to Look for it, & How it is to be Prepared (in English):

     It is of a Strange and wonderful Origin, it has inexhaustible properties, it is neither hot nor dry like 🜂, nor Cold nor humid like 🜄, nor Cold nor dry like 🜃, but it is a mixture of all the Elements;

🜄 f (genitive 🜄ae); first declension

1. (alchemy) alternative spelling of aqua (“water”)
   • 1656, Johann Schröder, Pharmacopeia medico-chymica [Medico-Chemical Pharamcopoeia], page 244:

     Si loco 🜄æ vinum in maceratione adhibueris, ſpiritum itidem nanciſceris

     If you use wine in place of water in soaking, you will likewise obtain a spirit

   • 1701, Johann Christoph Sommerhoff, Lexicon pharmaceutico-chymicum latino-germanicum & germanico-latinum [Pharmaceutico-Chemical Lexicon, Latin-German and German-Latin], page 4:

     Ados eſt 🜄 in qua ferrum candens extinguitur

     Ados is water in which glowing iron is extinguished

First-declension noun.