Where does “must-read” come from?

must-read (English) comes from English read, from Middle English reden, from Old English rǣdan, from Proto-West Germanic rādan, from Proto-Germanic rēdaną, from Proto-Indo-European Hreh₁dʰ-, from Proto-Indo-European h₂reh₁-, from Proto-Indo-European h₂er- — to fit, to fix, to put together.

must-read (English): A book, article, etc. that one is strongly...

Definitions

  1. A book, article, etc. that one is strongly...

Ancestry of “must-read”, step by step

must-read traces back through two separate lines of ancestry.

via English read

StepLanguageWordMeaning
1EnglishreadTo look at and interpret letters or other...
2Middle Englishredento counsel, advise; to study; to read
3Old Englishrǣdanto read, interpret; to counsel, advise; plot,...
4Proto-West Germanicrādanto advise, counsel, help; to devise, decide,...
5Proto-Germanicrēdanąto decide, advise
6Proto-Indo-EuropeanHreh₁dʰ-to think; to arrange; to succeed, accomplish
7Proto-Indo-Europeanh₂reh₁-to think, reason; to arrange
8Proto-Indo-Europeanh₂er-to fit, to fix, to put together

via English must

StepLanguageWordMeaning
1EnglishmustTo do with certainty; To do as a requirement;...
2Old Englishmōstehad to
3Old Englishmōtanto be allowed, be able to, have the opportunity...
4Proto-West Germanic*mōtanto be allowed, to be permitted to, may
5Proto-Germanicmōtanąto be allowed, to be permitted to, may
6Proto-Indo-Europeanmōd-to permit, make able
7Proto-Indo-Europeanmed-to measure; to give advice; healing
Every word from Proto-Indo-European h₂er-Every word from Proto-Indo-European h₂reh₁-Every word from Proto-Indo-European Hreh₁dʰ-
must-read — Etymology, Origin & Word History | Etymology Explorer