The name of the letter Z; used in British English (Americans say 'zee').
From Greek 'zeta,' the sixth letter of the Greek alphabet. British pronunciation kept the Greek 'zed,' while American English shifted to 'zee' to match the vowel pattern of letters like 'bee,' 'dee,' and 'tee.'
It's fascinating that two major English dialects named the same letter differently—'zee' became American because it rhymes with other letter names, while 'zed' stayed true to Greek origins!
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