Where does “Phrygian cap” come from?

Phrygian cap (English) comes from English Phrygian, from Latin Phrygianus, from Latin Phrygia, from Ancient Greek Φρυγία, from Ancient Greek -ῐ́ᾱ, from Proto-Indo-European -íh₂, from Proto-Indo-European -h₂ — Creates collective nouns, which refer to groups...

Phrygian cap (English): A soft, close-fitting conical cap with the top bent forward, represented in Greek and Roman art as worn by ancient Phrygians, and later associated with the Roman liberty cap

Definitions

  1. A soft, close-fitting conical cap with the top bent forward, represented in Greek and Roman art as worn by ancient Phrygians, and later associated with the Roman liberty cap

Ancestry of “Phrygian cap”, step by step

Phrygian cap traces back through two separate lines of ancestry.

via English Phrygian

StepLanguageWordMeaning
1EnglishPhrygianOf or relating to Phrygia, its people, or their...
2LatinPhrygianus
3LatinPhrygiaTroy
4Ancient GreekΦρυγία
5Ancient Greek-ῐ́ᾱ{{l|en|-ia}}; "suffix forming abstract feminine...
6Proto-Indo-European-íh₂
7Proto-Indo-European-h₂Creates collective nouns, which refer to groups...

via English Cap

StepLanguageWordMeaning
1EnglishCapA nickname for the captain of a team, ship, etc
2EnglishCapricornSomeone with a Capricorn star sign
3FrenchCapricorneCapricorn
4LatinCapricornusCapricornus, the constellation of the zodiac
5Latincapera male goat, billy goat; vocative singular of...
6Proto-Italic*kaproshe-goat
7Proto-Indo-Europeankáproshe-goat, billy goat
Every word from Proto-Indo-European -h₂Every word from Ancient Greek -ῐ́ᾱEvery word from Ancient Greek Φρυγία