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:: COMPARE ::

ZenithvsNadir

The short answer

Exact opposites on the celestial sphere — zenith directly overhead, nadir directly underfoot. Both are Arabic borrowings (nadir from naẓīr, 'counterpart'), and both carry the same literal-to-figurative extension into 'peak' and 'lowest point'.

Side by side

AspectZenithNadir
DirectionOverheadUnderfoot
From Arabicsamtnaẓīr
FigurativePeakLow point
Relative toYouYou

Which one you meant

Readers who land here meaning Zenith rather than Nadir are usually searching for phrases like “what is the zenith”, “where does the word zenith come from”, “zenith vs nadir”.

Zenith

  • what is the zenith
  • where does the word zenith come from
  • zenith vs nadir
  • is the sun at the zenith at noon

Where the confusion comes from

Zenith is a Greek or Latin word, like most astronomical terms.

It's Arabic, and it arrived corrupted. Along with nadir, azimuth and dozens of star names, it's a survival of Arabic astronomy's transmission into medieval Europe.

Read either one in full