One of the mysteries of the English language finally explained.
All the same, even so, nevertheless.
Early 19th century; earliest use found in Harriette Wilson (1786–1845), courtesan. From French quand même (adverb) all the same, nevertheless from quand although (1100; 1050 in temporal sense ‘when’; from classical Latin quandō from quam, accusative singular feminine of quī who + -dō (particle) towards, around from the same Indo-European base as to; compare dōnec until) + même same.
quand même/kɒ̃ ˈmɛm/
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