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post-nominal
post-nominal adj. and n.
Brit. 
/(ˌ)pəʊs(t)ˈnɒmᵻnl/
, /(ˌ)pəʊs(t)ˈnɒmᵻnl/U.S. /ˌpoʊs(t)ˈnɑmən(ə)l/
(a) adj. situated or placed after a noun, or written (as the letters of a qualification, decoration, etc.) after a person's name; (b) n. (in plural) the letters written after a person's name./ˌpoʊs(t)ˈnɑmən(ə)l/ΘΚΠ
the mind > language > naming > name or appellation > [noun] > word or letters following a name
post-nominal1921
the mind > language > naming > name or appellation > [adjective] > after a name
post-nominal1921
the mind > language > linguistics > study of grammar > a part of speech > noun > [adjective] > attached to or following a noun
adnominal1765
post-nominal1921
1921 E. Sapir Lang. vii. 178 My and mine are now pre-nominal and post-nominal forms of the possessive (my father but father mine; it is my book but the book is mine).
1952 R.A.F. Rev. Jan. 9/2 The use of the post-nominal letters ‘T.D.’ is peculiar to the Territorial Army.
1978 E. St. Johnston One Policeman's Story xii. 287 The third problem affecting Honours..was the right of any officer holding the Queen's Police Medal to put the initials, QPM, after his name. This is technically known as wearing ‘post-nominals’.
1990 Eng. World-wide 9 i. 94 One of these [sc. functions that are marked] is fairly widespread, viz. the postnominal marking of plurality by means of dem or an dem.
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