Where does “flyunder” come from?

flyunder (English) comes from English fly, from Middle English flien, from Old English flēogan, from Old English -ende, from Proto-West Germanic *-andī, from Proto-Germanic -andz, from Proto-Indo-European -ónts, from Hungarian önt — sound, voice.

flyunder (English): A road or rail underpass

Definitions

  1. A road or rail underpass

Ancestry of “flyunder”, step by step

flyunder traces back through two separate lines of ancestry.

via English fly

StepLanguageWordMeaning
1EnglishflyAny insect of the order Diptera; characterized by...
2Middle EnglishflienTo fly; to travel in the air; To move in the sky;...
3Old Englishflēoganto fly
4Old English-endeequivalent of English -ing; suffix for present...
5Proto-West Germanic*-andī
6Proto-Germanic-andz
7Proto-Indo-European-óntsDerives nouns denoting body parts
8Hungarianöntto pour; to cast; accusative singular of ön
9Hungarianönyou
10Hungarianön-self-
11Turkishönfront
12Ottoman Turkishاوكvoice (of human or animal); sound
13Proto-Turkicǖnsound, voice

via English under

StepLanguageWordMeaning
1EnglishunderIn or at a lower level than; As a subject of;...
2Middle Englishunderunder
3Old Englishunderunder, beneath
4Proto-Germanicunderamong, between; under, beneath; under
5Proto-Indo-Europeanh₁entérbetween
6Proto-Indo-Europeanh₁enin; in, inside
Every word from Proto-Turkic ǖnEvery word from Hungarian ön-Every word from Old English -ende
flyunder — Etymology, Origin & Word History | Etymology Explorer