en posteadv.
Of a diplomat: in an official position (at a specified place).
ΚΠ
1932 N. Mitford Christmas Pudding ix. 137 He..since being en poste at Cairo, had interested himself mainly in Egyptology.
1962 John o' London's 31 May 517/1 While he was en poste in Paris he gathered much of the material.
This entry has not yet been fully updated (first published 1972; most recently modified version published online March 2018).
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adv.1932