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peak

/piːk/

Highest point, summit, or maximum level reached

From Proto-Germanic pīk (Sharp point).

noun
verb
adjective
pīk
Proto-Germanic
Verified
*pīkaz
reconstructed
Reconstructed word meaning “peak”; ancestor of Germanic words for a sharp point or summit.

from Proto-Germanic *pīkaz (“peak”). Cognate with Dutch piek (“pike, point, summit, peak”), Danish pik (“pike, peak”),...

Old English
Verified
pīc
“Pike, needle, pin, peak, pinnacle”; the image is something sharply pointed.

from Old English pīc, piic (“a pike, needle, pin, peak, pinnacle”)

Middle English
Verified
pek
“A sharp point, pike,” especially preserved in place names; later forms included peake, peek, and peke.

from Middle English pek (in place names), itself an alteration of pike, pyke, pyk (“a sharp point, pike”)

Modern English
AI-inferred
peak
A pointed summit, then figuratively the highest point of a quantity, career, or event.
Modern English
peak

Long before peak meant the high point of a career or a graph, it was essentially a sharp object: a pike, a needle, or a pin. Old English speakers used pīc for all of these, and the word eventually became peak after passing through Middle English forms such as pek and peake. The landscape helped preserve the older sense: Derbyshire’s Peak district appears in Old English place names centuries before “peak” was routinely used for a mountain summit. Etymologists have even floated a wonderfully folkloric possibility—that the place name referred to an elf-like being named Peac, related to Puck—though the explanation remains uncertain. So when your productivity reaches its peak, your abstract triumph is still carrying the memory of a very physical point jutting into the sky.

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