A formal or archaic verb meaning to display, show, or make something known publicly.
From Latin 'ostendere' (to show), from 'ob-' (toward) + 'tendere' (to stretch). The word is related to 'ostentatious' but much older and more formal.
You rarely hear 'ostend' anymore, but it's lurking in 'ostentatious' (showing off), and it shows how Latin verbs about displaying things became English words about both honest showing and arrogant displaying—same root, completely different vibes.
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