Where does “deerfly” come from?

deerfly (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.

deerfly (English): Any of various species of fly which feed on deer,...

Definitions

  1. Any of various species of fly which feed on deer,...

Ancestry of “deerfly”, step by step

deerfly 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 deer

StepLanguageWordMeaning
1Englishdeera ruminant mammal with antlers and hooves of the...
2Middle EnglishderA wild animal especially a mammal or quadruped
3Old Englishdēoranimal, beast
4Proto-West Germanicdeuʀanimal, beast
5Proto-Germanicdeuząanimal, beast
6Proto-Indo-Europeandʰewsómliving thing
7Proto-Indo-Europeandʰéwsbreath
8Proto-Indo-Europeandʰwes-to breathe; breath; spirit, soul > creature
Every word from Proto-Turkic ǖn
deerfly — Etymology, Origin & Word History | Etymology Explorer