derogatory
‘detracting or tending to lessen authority or standing by taking something away from’
Lexical development traced from the Tamil root:
La.Lat. derogatorius < derogatus < Lat. derogare ‘to take away, detract from, diminish’ < de ‘away’ + Lat. rogare ‘ask, question; propose’ < rohg < reg- < Tamil aracaṉ