Where does “obsession” come from?

Obsession comes from Latin obsessio, formed from the prefix ob- and the root sed- meaning "to sit," denoting a persistent state of being besieged or occupied.

obsession (English): A compulsive or irrational preoccupation; An...

Definitions

  1. A compulsive or irrational preoccupation; An...

Ancestry of “obsession”, step by step

StepLanguageWordMeaning
1Latinobsessiōblockade, siege
2Latinobsiderepresent active infinitive of obsideō;...
3LatinobsideoI sit, remain, abide, stay; I frequent, haunt,...
4Latinob-towards; against
5Latinobolusobolus (Greek coin)
6Ancient Greekὀβολόςobol, obolus, used at Athens as both a weight and...
7Ancient Greekὀβελόςa spit, rod; a horizontal line
8Ancient Greekβέλοςmissile, arrow, dart; weapon; something quickly...
9Proto-Indo-EuropeangʷélHos
10Proto-Indo-EuropeangʷelH-to throw, reach, pierce; to hit by throwing

Words derived from “obsession

Every word from Proto-Indo-European gʷelH-
obsession — Etymology, Origin & Word History | Etymology Explorer