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I've tried searching everywhere, but I can't seem to find anything related to how the quantities got named!

Base quantities:

  1. Mass
  2. Distance
  3. Time
  4. Temperature
  5. Electric current
  6. Quantity of a substance
  7. Light intensity
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closed as unclear what you're asking by Alexandre Eremenko, VicAche, HDE 226868 Sep 20 '15 at 15:27

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  • $\begingroup$ So you're asking along the lines of "How did mass get the name "mass"?" $\endgroup$ – HDE 226868 Sep 1 '15 at 15:50
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    $\begingroup$ In #1, are you asking for the origin of the word "mass" or "gram" or something else? In #6, are you asking for the origin of "quantity of a substance" or "mole"? $\endgroup$ – Rory Daulton Sep 1 '15 at 17:50
  • $\begingroup$ Cross-posted to Physics. $\endgroup$ – HDE 226868 Sep 5 '15 at 15:06
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Most of these derive their names from colloquial usage, and their origins can be found in etymology dictionaries, which also usually give pointers on the first scientific usage.

For example, temperature derives from Latin "temperatus", due proportion, and was in usage since 1530s, it was first used to denote the degree of heat by Boyle in 1670s. Mass comes from Latin "massa", kneaded dough, lump, old French "masse" was used to denote bulk size/quantity since 14th century. Newton writes in Principia (1687):"it is this quantity that I mean everywhere under the name of body or mass. And the same is known by the weight of each body for it is proportional to the weight".

Electric current is two words. Gilbert used Latin word “electricus” (amber) in 1600 to describe attraction that certain materials exhibit when rubbed against each other. A few years later Browne wrote several books based on Gilbert’s work, and he used the word “electricity” to describe the phenomenon. Around 1746 Watson and Franklin suggested that positive and negative charges were surpluses and deficiencies of a single fluid, Watson called it electrical ether, and the flow of it electric current. In 1747 he sent a current through a 6,732 foot long wire at Shooter's Hill in London.

And so on.

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  • $\begingroup$ I agree with Conifold that this is basically about etymology, and it would be better to discuss each of these terms as a separate question. Just to add this: the use of Latin "massa" to mean "mass" in its modern sense seems to have been coined by Newton himself in the cited passage in the first definition of the Principia (...sub nomine corporis vel massae). $\endgroup$ – fdb Sep 4 '15 at 16:48

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