Word Origin & History. regimen mid-15c., act of governing, from O.Fr. regimen (14c.), from L. regimen rule, guidance, government, from regere to rule (see regal). Medical sense of course of diet, exercise, etc. for sake of health first recorded late 15c.
Soda bread. Soda bread (Irish: arÃ¡n sÃ³ide, Scots: fardel, Serbian: Äesnica / ÑÐµÑÐ½Ð¸ÑÐ°) is a variety of quick bread traditionally made in a variety of cuisines in which sodium bicarbonate (otherwise known as baking soda) is used as a leavening agent instead of the traditional yeast.
Soda ash, also known as sodium carbonate (Na2CO3), is an alkali chemical refined from the mineral trona or naturally occurring sodium carbonate-bearing brines (the soda ash from both is referred to as natural soda ash) or manufactured from one of several chemical processes (the soda ash from this process is referred to as synthetic soda ash).