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Classic usage
Reading level: hard
Estimated CEFR level: B2 — Upper-Intermediate
Estimated from word frequency; not an official CEFR classification.
From Middle English nostrille, from Old English nosþyrel. Compare Old Frisian nosterle (“nostril”), modern West Frisian noaster (“nostrill”). Compare also Middle Low German noster (“nostril”), from Proto-Germanic *nustriz (“nostril”). By surface analysis, nose + thirl (“hole”).
anterior naris
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Classic usage
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