ninth English · revision 10242

+ {{infobox|confidence=established|formation=inherited|attested=before 900}}

+

+ ==Pronunciation==

+ * IPA: /naɪnθ/^(Wiktionary)

+

+ ==Etymology==

+ It is Middle English nynthe, an alteration, under the influence of [[nine]], of nithe,^(MWU 2024)^(Etymonline) [[inh|ang|nigoþa|t=ninth]], nigoða,^(Etymonline)^(MWU 2024) from nigon, nine; compare [[seventh]].^(Etymonline)^(MWU 2024) Klein explains the modern form as made on the analogy of [[fourth]] by adding -th to nine.^(Klein 1966)

+

+ ==Earliest recorded meaning==

+ Next after the eighth: before 900 in the OED;^(OED 1989) the form nynþe is from about 1300.^(Etymonline)

+

+ ==Semantic evolution==

+ As a noun, one of nine equal parts, it is from the late 13th century,^(Etymonline)^(OED 1989) and the phrase ''ninth part'' from 971.^(OED 1989) The ninth day of a month is from 1596.^(OED 1989) As a musical interval, an octave and a second, it is from the 1590s (1597).^(Etymonline)^(OED 1989)

+

+ ==Timeline==

+ * before 900 – the ordinal.^(OED 1989)

+ * 971 – ninth part.^(OED 1989)

+ * c. 1275 – a ninth part (noun).^(OED 1989)

+ * 1597 – a musical interval.^(OED 1989)

+

+ ==Modern meaning==

+ ===Adjective===

+ # Coming after the eighth in order; being number nine in a [[series]].^(AHD)^(Collins 2023)

+

+ ===Noun===

+ # One of nine equal parts of something.^(AHD)^(Collins 2023)

+ # ''(music)'' An interval of an [[octave]] and a second, or a chord containing it.^(AHD)

+

+ ==Word family==

+ * [[ninthly]]

+ * [[eighty-ninth]]

+ * [[fifty-ninth]]

+ * [[forty-ninth]]

+ * [[ninety-ninth]]

+ * [[seventy-ninth]]

+ * [[sixty-ninth]]

+ * [[thirty-ninth]]

+

+ ==Related words==

+ * [[nine]]

+ * [[nineteen]]

+ * [[ninety]]

+

+ ==References==

+ {{reflist}}