depopulate |dēˈpäpyəˌlāt|
verb [ trans. ]
substantially reduce the population of (an area) : the disease could depopulate a city the size of New Haven.
DERIVATIVES
depopulation |-ˌpäpyəˈlā sh ən| noun
ORIGIN mid 16th cent. (in the sense [ravage, lay waste] ): from Latin depopulat- ‘ravaged,’ from the verb depopulari, from de- ‘completely’ + populari ‘lay waste’ (from populus ‘people’ ).

arrogant |ˈarəgənt|
adjective
having or revealing an exaggerated sense of one’s own importance or abilities : he’s arrogant and opinionated | a typically arrogant assumption.
DERIVATIVES
arrogance noun
arrogantly adverb
ORIGIN late Middle English : via Old French from Latin arrogant- ‘claiming for oneself,’ from the verb arrogare (see arrogate ).

arrogate |ˈarəˌgāt|
verb [ trans. ]
take or claim (something) for oneself without justification : they arrogate to themselves the ability to divine the nation’s true interests.
DERIVATIVES
arrogation |ˌarəˈgā sh ən| noun
ORIGIN mid 16th cent.: from Latin arrogat- ‘claimed for oneself,’ from the verb arrogare, from ad- ‘to’ + rogare ‘ask.’