Two words
May be 2 words combined (de+retro) If not obvious, probably incorrect
de PREP ABL
de PREP ABL [XXXAO]
down/away from, from, off; about, of, concerning; according to; with regard to;
retro ADV POS
retro ADV [XXXBX]
backwards, back, to the rear; behind, on the back side; back (time), formerly;
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