An archaic or obsolete word meaning to stand at or present oneself before someone.
From Latin 'adesse,' meaning 'to be present' or 'to stand by,' composed of 'ad-' (at) plus 'esse' (to be). This verb form became obsolete as English developed different structures for expressing presence.
The word 'adeste' survives mainly in the Christmas carol 'Adeste Fideles' (Come, All Ye Faithful), where it's a Latin imperative meaning 'be present'—making this ancient verb immortal in holiday music.
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