Where does “obsess” come from?

Obsess comes from Latin obsessus, past participle of obsidēre meaning to besiege, from ob- and sedēre meaning to sit, ultimately from Proto-Indo-European sed- meaning to sit.

obsess (English): To be preoccupied with a single topic or emotion;...

Definitions

  1. To be preoccupied with a single topic or emotion;...

Ancestry of “obsess”, step by step

StepLanguageWordMeaning
1Latinobsessusinhabited; besieged; obsessed
2Latinobsideōto sit, remain, abide, stay
3Latinob-towards; against
4Latinobolusobolus (Greek coin)
5Ancient Greekὀβολόςobol, obolus, used at Athens as both a weight and...
6Ancient Greekὀβελόςa spit, rod; a horizontal line
7Ancient Greekβέλοςmissile, arrow, dart; weapon; something quickly...
8Proto-Indo-EuropeangʷélHos
9Proto-Indo-EuropeangʷelH-to throw, reach, pierce; to hit by throwing

Words derived from “obsess

Every word from Proto-Indo-European gʷelH-