diagram English · revision 15533

+ {{infobox|confidence=established|formation=borrowing|attested=1619|origins=grc γράφω}}

+

+ ==Pronunciation==

+ * IPA: /ˈdaɪ.ə.ɡɹæm/, /ˈdaɪ.ɡɹæm/^(Wiktionary)

+

+ ==Etymology==

+ It is [[bor|fr|diagramme]] or directly [[la|diagramma|t=a scale, a musical scale]],^(Barnhart 1988)^(Etymonline)^(Hoad 1986) from [[grc|διάγραμμα|tr=diágramma|t=that which is marked out by lines, a geometric figure]],^(Barnhart 1988)^(Etymonline) from [[m|grc|διαγράφω|tr=diagráphō|t=to mark out by lines]], from [[m|grc|διά|tr=diá|t=across, through]] and [[m|grc|γράφω|tr=gráphō|t=to write, draw]] (see [[-gram]]).^(Barnhart 1988)^(Etymonline)^(NODE 1998)

+

+ ==Earliest recorded meaning==

+ An illustrative figure showing the outline or general scheme of something: 1619 in Barnhart, the OED and Merriam-Webster, the 1610s in Etymonline.^(Barnhart 1988)^(OED 1989)^(MWU 2024)^(Etymonline)

+

+ ==Semantic evolution==

+ In geometry, a figure illustrating a proposition, it is from 1645 (the 1640s).^(OED 1989)^(Etymonline) After Greek usage it meant a list or register (1631) and a musical scale (1656), both obsolete.^(OED 1989) A drawing symbolizing abstract relations is from 1839.^(OED 1989) The verb is from 1822 in Etymonline, 1840 in Carlyle in Barnhart,^(Etymonline)^(Barnhart 1988) and diagrammatic from 1853.^(Barnhart 1988)

+

+ ==Timeline==

+ * 1619 – an outline figure.^(Barnhart 1988)^(OED 1989)

+ * 1645 – a geometric figure.^(OED 1989)

+ * 1840 – to diagram (verb).^(Barnhart 1988)

+ * 1853 – diagrammatic.^(Barnhart 1988)

+

+ ==Modern meaning==

+ ===Noun===

+ # A simple drawing or plan showing how something works or how its parts relate.^(AHD)^(Collins 2023)

+ # A [[graph|alt=graphic]] representation of a mathematical relationship, as a [[Venn diagram]].^(AHD)^(Collins 2023)

+

+ ===Verb===

+ # To show in a diagram.^(AHD)^(Collins 2023)

+

+ ==Word family==

+ * [[diagrammable]]

+ * [[diagrammatically]]

+

+ ==Related words==

+ * [[diagrammatic]]

+ * [[-gram]]

+ * [[graph]]

+ * [[grammar]]

+ * [[program]]

+

+ ==Usage notes==

+ In Scottish railway use a diagram was the scale of working drawn up for each driver or fireman.^(Wright 1898)

+

+ ==References==

+ {{reflist}}