3162 machaira {makh'-ahee-rah}
from a presumed derivative
of 3163; TDNT -
4:524,572; n f
AV - sword 29; 29
1) a large knife, used for
killing animals and cutting
up flesh
2) a small sword, as
distinguished from a large sword
2a) curved sword, for a
cutting stroke
2b) a straight sword, for thrusting
The above comes from Bob Thayer's Lexicon.
If you could follow the references, they would take you to "mache", which refers to fight or fighting, and to a Persian origin, which seems obscure to me, which refers to a small sword carried by a courier, or a pony express type of person.
The machaira which we associate with the Greeks came from a period in which spears, javelins, long pikes and huge shields ruled the battlefield.
The Greek soldier used the machaira as a fall back weapon and as a means of reaching around or under his adversary's shield.
They used the kopi as one would a khukri, and the khukri and turkish yatagan may have gotten their inspiration from the kopi, but who can say which way the influences went, from Greek to Gurkha or the other way around.
We have reference to the machaira as a tool for slaughtering animals.
Muela makes several high-end, double-edged boar knives of a much higher quality than we normally associate with Muela.
Apparently, Muela has a cultural motivation to make these knives, because they must require the attention of their best artisans.
I think this design motivation comes through the considerable Jewish influence on Spanish culture.
Both the Jews and the Spanish used the machaira, or double-edged short sword to kill struggling or dangerous game animals.
I think the double-edge short sword let them stab as best they could into the bundle of arteries and nerves in the neck, make a large diameter wound, and then cut either way.
Ehud, the left-handed Jew, used a machaira to assassinate King Eglon.
Joab, King David's General of the Army used a machaira to spill Amoz's guts in the street.
James Mattis has a machaira on his site, which he calls "A Message From God", and which he designed and made patterned after Ehud's machaira.
Gene Osborn presently has a machaira of my design in the works for me.
The heat treater has it now.
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Luke 22:36, John 18:6-11