Fixation
来自Big Physics
late Middle English (originally as an alchemical term denoting the process of reducing a volatile spirit or essence to a permanent bodily form): from medieval Latin fixatio(n- ), from fixare (see fix).
wiktionary
From Old French fixation.
etymonline
fixation (n.)
late 14c., fixacion, an alchemical word, "action of reducing a volatile substance to a permanent bodily form," from Medieval Latin fixationem (nominative fixatio), noun of action from past-participle stem of Latin fixare, frequentative of figere "to fasten, fix" (from PIE root *dheigw- "to stick, fix"). Meaning "condition of being fixed" is from 1630s. Used in the Freudian sense since 1910.
