Word 15:

battery (noun)

The unlawful striking of a person.

A collection of heavy artillery.

A device storing energy to convert to power.

Could these be related?

"battery" came from Old French, and Latin "battuo" meaning to beat or hit. (e.g. in law, assault and battery).

This Latin root also entered English as "batter" (mixture in baking), and "batterie" (apparent leg-hitting in dancing).

Next: What about that heavy artillery?

Word 15 (continued)

"battery" historically meant heavy artillery in action – the kind that blows the physical crap out of its target.

Over time it came to include *idle* collections of artillery (canon battery), and can now even mean *any* set of things (battery of tests, battery of journalists).

Though, searching "canon batteries" today yields little about projectile shooting, and more of shooting photography. Alas, I digress.

Next: The energy storage device.

Word 15 (continued, end):

In the 1700s, Benjamin Franklin experimented with electricity. He hooked up several Leyden jars, to accumulate static electricity in a glass bottle. He referred to these as a "battery", consisting of "eleven panes [of] glass, armed with thin leaden plates".

In review:
- to beat
-> hit with heavy artillery
-> set of idle artillery
-> set of anything
-> set of Leyden jars storing energy
-> anything storing energy.

@krinkle .... I can't understand why I didn't see the relation between a 'batter' mixture and 'to beat or hit' before... #TodayILearned #TIL

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