Etymology
Advertisement

chi (n.)

22nd letter of the Greek alphabet, representing a -kh- sound (see ch). The letter is shaped like an X, and so the Greek letter name was used figuratively to signify such a shape or arrangement (as in khiasma "two things placed crosswise;" khiastos "arranged diagonally; marked with an X;" khiazein "to mark with an 'X', to write the letter 'X'"). Some dialects used chi to represent the -ks- sound properly belonging to xi; Latin picked this up and the sound value of chi in Latin-derived alphabets is now that of English X.

Others are reading

Advertisement
Advertisement
Definitions of chi

chi (n.)
the circulating life energy that in Chinese philosophy is thought to be inherent in all things; in traditional Chinese medicine the balance of negative and positive forms in the body is believed to be essential for good health;
Synonyms: qi / ch'i / ki
chi (n.)
the 22nd letter of the Greek alphabet;
Synonyms: khi
From wordnet.princeton.edu