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The Arabs had the symbols drawn;
Al-jabr, though the name had been,
Algebra is the name we've seen.
Equations of the mastermind
Lacked a value yet to find.
'Shay-un', though its name had been,
X is all that we have seen.
The Arab mathematicians of the ancient times called the unknown of an equation 'Al-Shay-un'. Or something very close to that. It is so said that the Spanish, unable to transliterate the word into their language, used the Greek symbol 'chi' (χ) instead. Over the years, Latin translations further used the letter X in its place, paving the way for it being the symbol for all things unknown.
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This is a part of the April A to Z challenge under the theme of 'My Inhibitions' or 'An Ode to Myself'. Read the other posts here.
Theme Reveal - An Ode to Myself | A for Awkwardness | B for Books | C for Connections | D for Decisions | E for Extempore | F for Failure | G for Gymming | H for Hurt | I for Individuality | J for Judgements | K for Knowledge | L for Left-Out | M for Mediocrity | N for Needful | O for Overthinking | P for Paunch | Q for Quitting | R for Remembering | S for Sensitivity | T for True-Self | U for Usefulness | V for Vexation | W for Writing | X for The Unknown | Y for YOLO | Z for Zone
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