Etymologically
← History of obsession

obsession English · revision 15264

17 Oct 2026, 15:54 by bogdan “en10k b0426: moisture … confidential” current version

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+ {{infobox|confidence=established|formation=borrowing|attested=1513|origins=la sedeō}}
+
+ ==Pronunciation==
+ * IPA: /əbˈsɛʃən/^(Wiktionary)
+
+ ==Etymology==
+ It is [[bor|fr|obsession]] and directly [[la|obsessiō|t=siege, blockade]],^(Etymonline)^(NODE 1998) from [[m|la|obsessus]], the past participle of [[m|la|obsideō|t=to besiege]] (see [[obsess]]),^(Etymonline)^(MWU 2024) from [[m|la|ob-|t=against]] and [[m|la|sedeō|t=to sit]].^(Etymonline)
+
+ ==Earliest recorded meaning==
+ The action of besieging: 1513 in the OED, the 1510s in Etymonline;^(OED 1989)^(Etymonline) Merriam-Webster gives 1548.^(MWU 2024) The sense is now obsolete.^(Etymonline)
+
+ ==Semantic evolution==
+ About 1600 it came to mean the hostile action of an evil spirit besetting someone, like possession but without the spirit living in the body.^(Etymonline)^(OED 1989) From the 1670s it was used of any fixed idea or influence that engrosses the mind,^(Etymonline)^(OED 1989) and the psychological sense, an idea or image that intrudes on the mind against the person's will, is from 1901.^(Etymonline)^(OED 1989)
+
+ ==Timeline==
+ * 1513 – a siege.^(OED 1989)
+ * 1605 – besetting by an evil spirit.^(OED 1989)
+ * 1680 – a fixed idea that assails the mind.^(OED 1989)
+ * 1901 – the psychological sense.^(OED 1989)^(Etymonline)
+
+ ==Modern meaning==
+ ===Noun===
+ # A persistent [[preoccupation]] with an idea, feeling or person.^(AHD)^(Collins 2023)
+ # ''(psychiatry)'' A persistent, unwanted idea or impulse that keeps forcing its way into the mind, often with [[anxiety]].^(AHD)^(Collins 2023)
+
+ ==Word family==
+ * [[obsessional]]
+ * [[obsessionally]]
+ * [[self-obsession]]
+
+ ==Related words==
+ * [[obsess]]
+ * [[obsessed]]
+ * [[obsessive]]
+ * [[possession]]
+ * [[siege]]
+ * [[sit]]
+
+ ==References==
+ {{reflist}}