Where does “backwardmost” come from?

backwardmost (English) comes from English backward, from Middle English bakwarde, from English -ward, from Old English -weard, from Proto-Germanic wardaz, from Proto-Germanic werþaz, from Proto-Indo-European wert-, from Proto-Indo-European wer- — to burn; to cover, heed, notice; squirrel.

Ancestry of “backwardmost”, step by step

backwardmost traces back through two separate lines of ancestry.

via English backward

StepLanguageWordMeaning
1EnglishbackwardIn the direction towards the back; In the...
2Middle Englishbakwarde
3English-wardForming adverbs denoting course or direction to,...
4Old English-weardForming adjectives and nouns from adjectives or...
5Proto-Germanicwardazturned; turned toward; facing; Alternative form...
6Proto-Germanicwerþazworthy, valuable
7Proto-Indo-Europeanwert-to turn, to rotate
8Proto-Indo-Europeanwer-to burn; to cover, heed, notice; squirrel

via English most

StepLanguageWordMeaning
1Englishmostsuperlative degree of much; superlative degree of...
2Middle Englishmost
3Old Englishmǣstmost
4Proto-Germanicmaistazsuperlative degree of *mikilaz; most
5Proto-Germanicmikilazgreat, large; much, many
6Proto-Indo-Europeanmeǵa-
Every word from Proto-Indo-European wer-
backwardmost — Etymology, Origin & Word History | Etymology Explorer