Anxiety
early 16th century: from French anxiété or Latin anxietas, from anxius (see anxious).
wiktionary
From Latin anxietās, from anxius(“anxious, solicitous, distressed, troubled”), from angō(“to distress, trouble”), akin to Ancient Greek ἄγχω(ánkhō, “to choke”).Equivalent to anxious + -ety. See anger; angst.
etymonline
anxiety (n.)
1520s, "apprehension caused by danger, misfortune, or error, uneasiness of mind respecting some uncertainty, a restless dread of some evil," from Latin anxietatem (nominative anxietas) "anguish, anxiety, solicitude," noun of quality from anxius "uneasy, troubled in mind" (see anxious).
Sometimes considered a pathological condition (1660s); psychiatric use dates to 1904. Age of Anxiety is from Auden's poem (1947). For "anxiety, distress," Old English had angsumnes, Middle English anxumnesse.
