Where does “antiflap” come from?

antiflap (English) comes from English anti, from English anti-, from Ancient Greek ἀντι-, from Ancient Greek ᾰ̓ντῐ́ — opposite.

antiflap (English): Preventing a component from flapping

Definitions

  1. Preventing a component from flapping

Ancestry of “antiflap”, step by step

antiflap traces back through two separate lines of ancestry.

via English anti

StepLanguageWordMeaning
1EnglishantiOpposed to something; That has a torsion angle...
2Englishanti-Against, hostile to; Contrasting with the norm;...
3Ancient Greekἀντι-anti-, against; like, reminiscent of
4Ancient Greekᾰ̓ντῐ́opposite

via English flap

StepLanguageWordMeaning
1EnglishflapAnything broad and flexible that hangs loose, or...
2Middle Englishflap
Every word from Ancient Greek ᾰ̓ντῐ́