Etymology

flack

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Today it means: To flutter; palpitate. Full definition →

Middle English flacken ← Old English *flaccian ← Proto-West Germanic *flakkōn
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flack · verb1

  1. Proto-Indo-European · inherited from*pleḱ-
  2. Proto-Germanic · inherited from*flakkōną“to beat”
  3. Proto-West Germanic · inherited from*flakkōn
  4. Old English · inherited from*flaccian
  5. Middle English · inherited fromflacken“to palpitate, flutter”
  6. English todayflack

From Middle English flacken (“to palpitate, flutter”), from Old English *flaccian, from Proto-West Germanic *flakkōn, from Proto-Germanic *flakkōną (“to beat”), from Proto-Indo-European *pleḱ-, which could be related to Ancient Greek πλάζω (plázō, “to turn away from”). Akin to Middle Dutch vlacken (“to flicker, flash, sparkle”), Danish flakke (“to wander”), Swedish flacka (“to rove, rove about, ramble”), Icelandic flakka (“to move”). Compare also Icelandic flaka (“to flap, hang loose”), Swedish flaxa (“to flap, flutter”).

flack · noun, verb2

Most likely flak.

flack · noun3

Variant of flak.

Flack · proper noun4

  1. Middle English · derived fromflack“sod, turf”
  2. English todayFlack

From Middle English flack (“sod, turf”); see flag (sense 4).

Words from the same roots

Middle Englishflacken all →

flag

Proto-Indo-European*pleḱ- all →

plyflaxflaskflagonsupplicateplash

Etymology from Wiktionary, CC BY-SA 4.0.