The story
- Old English · inherited fromnosþyrel
- Middle English · inherited fromnostrille
- English todaynostril
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”).
Etymology from Wiktionary, CC BY-SA 4.0.