Indigestion
来自Big Physics
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late Middle English: from late Latin indigestio(n- ), from in- (expressing negation) + digestio (see digestion).
wiktionary
From Middle English indigestioun, from Old French indigestion, from Late Latin indigestio.
etymonline
indigestion (n.)
late 14c., "difficulty or inability in digesting food," from Old French indigestion (13c.), from Late Latin indigestionem (nominative indigestio), from in- "not, opposite of" (see in- (1)) + digestionem "arrangement, distribution" (see digestion). An Old English word for it was unmeltung.
