the.com/tock

the unsung half of every clock's heartbeat, forever second to tick's spotlight

means The lower-pitched second sound a clock makes, completing the 'tick-tock' cycle of its mechanism.

from Echoic, like its partner tick — both born from imitating the sharp little sounds of a clock's escapement. The pairing follows a deep habit in English of reduplicating words with a vowel swap from high to low (tick-tock, flip-flop, ding-dong, criss-cross), where the bright 'i' leads and the rounder 'o' answers. So tock didn't really come from anywhere except the human ear and the mouth's instinct to rhyme the world's noises back to itself.

never first
always follows tick, never leads the rhythm
pure invention
clocks make one sound, ears split it in two
lower pitch
the brain hears tock as the deeper note
poultry alias
a young hen in old British slang
for instance

tick tock — tiktok app, 1 billion monthly active users as of 2023, owned by bytedance

tick tock verse — hip-hop/rap freestyle format popularized on social media, particularly on tiktok platform

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