Where does “rearguard” come from?

Rearguard comes from Middle English reren, from Old French rer, from Latin radere meaning to scratch or scrape, with the re- prefix from Proto-Indo-European rei-, wert-, and wer-.

rearguard (English): The rearmost part of a force, especially a...

Definitions

  1. The rearmost part of a force, especially a...

Ancestry of “rearguard”, step by step

rearguard traces back through two separate lines of ancestry.

via English guard

StepLanguageWordMeaning
1EnglishguardA person who, or thing that, protects or watches...
2Middle Englishgardeguardianship, safeguarding, covering, authority;...
3Old Frenchguardeprotection; act of protecting; guard; inflection...
4Old Frenchguarderto protect; to guard; to look at
5Frankishwardēnto protect; to guard, protect, watch over; to...
6Proto-Germanicwardānąto guard, protect, watch over
7Proto-Germanic*warduz
8Proto-Indo-Europeanwēr-true
9Proto-Indo-Europeanwer-to burn; to cover, heed, notice; squirrel

via English rear

StepLanguageWordMeaning
1EnglishrearTo bring up to maturity, as offspring; to...
2Middle EnglishrerenTo raise; to hold or pull up or suspend upwards;...
3Old Englishrǣranto cause to rise, raise, rear, build, create; to...
4Proto-Germanicraizijanąto cause to rise; raise
5Proto-Germanicrīsanąto scale; move vertically; to rise
6Proto-Indo-Europeanh₁rey-to arise, arise; to rise, arise; to rise; arise

Words derived from “rearguard

Every word from Proto-Indo-European wer-Every word from Proto-Indo-European wēr-Every word from Proto-Germanic *warduz