Where does “lost media” come from?

lost media (English) comes from English Media, from Latin Mēdia, from Ancient Greek Μηδία, from Ancient Greek -ῐ́ᾱ, from Proto-Indo-European -íh₂, from Proto-Indo-European -h₂ — Creates collective nouns, which refer to groups...

lost media (English): Any form of information, entertainment or other media that was once available to the public, which is now believed to be irrecoverable or otherwise unable to be consumed

Definitions

  1. Any form of information, entertainment or other media that was once available to the public, which is now believed to be irrecoverable or otherwise unable to be consumed

Ancestry of “lost media”, step by step

lost media traces back through two separate lines of ancestry.

via English Media

StepLanguageWordMeaning
1EnglishMediaThe middle layer of the wall of a blood vessel or lymph vessel which is composed of connective and muscular tissue
2LatinMēdia—
3Ancient GreekΜηδία—
4Ancient Greek-ῐ́ᾱ{{l|en|-ia}}; "suffix forming abstract feminine...
5Proto-Indo-European-íh₂—
6Proto-Indo-European-h₂Creates collective nouns, which refer to groups...

via English Lost

StepLanguageWordMeaning
1EnglishLostHaving wandered from, or unable to find, the way
2Middle Englishlost—
3Old Englishlosod—

Words derived from “lost media”

Every word from Proto-Indo-European -h₂ →Every word from Ancient Greek -ῐ́ᾱ →Every word from Ancient Greek Μηδία →