the.com/fiery

the temperature of a temper, the color of a sunset, the texture of a really good argument

means Burning with actual flame, or blazing with the intensity of passion, anger, or spirit.

from From Middle English 'firy,' built straight off 'fire' (Old English 'fȳr,' a cousin of German 'Feuer' and Greek 'pyr,' as in 'pyre'). The odd spelling — 'fiery' rather than the expected 'firy' — is a leftover quirk from older forms of the word, one of those spellings English fossilized and never tidied up.

latin root
From ignis, same fuel as ignite and ignition
chili science
Capsaicin tricks heat receptors, so peppers feel literally fiery
horse term
Describes spirited, hard-to-control horses since the 1600s
no actual flame
Often used where nothing is technically burning
redhead trope
Stereotype links red hair to fiery temperaments, despite zero evidence
for instance

mount etna — active volcano in sicily that has erupted continuously for over 2,700 years

kilauea volcano — hawaiian volcano that erupted almost continuously from 1983 to 2018

sahara dust storms — massive red dust clouds that cross the atlantic, visible from space in june-august

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