invasion English · revision 6488

+ {{infobox|confidence=established|formation=borrowing|attested=mid-15th century|origins=la vado}}

+

+ ==Pronunciation==

+ * IPA: /ɪnˈveɪʒən/^(Wiktionary)

+

+ ==Etymology==

+ It is Middle English (Scots) invasioune, [[bor|frm|invasion]] or directly [[m|la-lat|invāsio|t=an attack]],^(Etymonline)^(MWU 2024)^(SOED 2002) from [[m|la|invādo|alt=invādere|t=to enter, attack]] (see [[invade]]), from [[m|la|in-|t=in]] and [[m|la|vādo|alt=vādere|t=to go]],^(Etymonline) from PIE [[ine-pro|*weh₂dʰ-|alt=*wadh-|t=to go]], also the source of [[wade]].^(Etymonline)

+

+ ==Earliest recorded meaning==

+ An assault, the act of entering a country as an enemy: the mid-15th century in Etymonline,^(Etymonline) late Middle English in SOED and NODE;^(SOED 2002)^(NODE 1998) the OED has 1539.^(OED 1989)

+

+ ==Semantic evolution==

+ A harmful incursion of any kind, as of the sea or disease, is from about 1566.^(OED 1989)^(Etymonline) Encroachment on another's rights or property, as ''invasion of privacy'', is from 1650.^(OED 1989)^(Etymonline) In pathology, the spread of microorganisms or cancer cells into tissue is from 1891,^(OED 1989) and in ecology, the spread of a species into a new area from 1905.^(OED 1989)

+

+ ==Timeline==

+ * mid-15th century – an attack on a country.^(Etymonline)

+ * c. 1566 – a harmful incursion.^(OED 1989)

+ * 1650 – an encroachment on rights.^(OED 1989)

+ * 1891 – in pathology.^(OED 1989)

+ * 1905 – in ecology.^(OED 1989)

+

+ ==Modern meaning==

+ ===Noun===

+ # An act of invading a country or region with armed forces.^(AHD)^(Collins 2023)

+ # An unwelcome arrival or spread of something: ''an invasion of tourists''.^(AHD)^(Collins 2023)

+ # An intrusion on a person's rights or privacy.^(AHD)^(Collins 2023)

+ # ''(medicine)'' The spread of a disease or cells into healthy tissue.^(AHD)^(Collins 2023)

+

+ ==Word family==

+ * [[preinvasion]]

+ * [[reinvasion]]

+ * [[invasion of privacy]]

+ * [[home invasion]]

+

+ ==Related words==

+ * [[invade]]

+ * [[invader]]

+ * [[invasive]]

+ * [[evade]]

+ * [[pervade]]

+ * [[wade]]

+

+ ==References==

+ {{reflist}}