Where does “distrust” come from?

Distrust comes from Middle English dis- prefixed to trust, with the prefix ultimately deriving from Latin dis- and Proto-Indo-European dwóh₁.

distrust (English): Lack of trust or confidence; To put no trust in;...

Definitions

Step	Language	Word	Meaning
1	English	dis-	reversal or removal; apart; Used as an...
2	Middle English	dis-	dis-, de
3	Old French	des-	de-; dis-
4	Latin	dis-	asunder, apart, in two; reversal, removal;...
5	Latin	calceus	shoe
6	Latin	calx	limestone; chalk; the finish line
7	Ancient Greek	χάλιξ	small stone, pebble; gravel, rubble