Where does “rightmost” come from?

Rightmost derives from English right, combining the adjective with the superlative suffix -most, tracing back through Middle English right and Old English riht to Proto-Indo-European h₃reǵ- meaning to direct or guide.

rightmost (English): Furthest to the right

Definitions

  1. Furthest to the right

Ancestry of “rightmost”, step by step

StepLanguageWordMeaning
1EnglishrightStraight, not bent; Of an angle, having a size of...
2Middle EnglishrightA good deed, right action; A just or equitable...
3Old Englishrihtstraight; right, true, correct; rightful,...
4Proto-West Germanicrehtstraight; right, correct; morally upright, just
5Proto-Germanicrehtazright, straight; morally upright, just
6Proto-Indo-Europeanh₃reǵtósstraightened, right, upright
7Proto-Indo-Europeanh₃reǵ-to straighten, to right oneself; right; just
Every word from Proto-Indo-European h₃reǵ-
rightmost — Etymology, Origin & Word History | Etymology Explorer