Where does “windwardmost” come from?

windwardmost (English) comes from English windward, from English wind, from English farm, from Middle English ferme, from Old French ferme, from Medieval Latin ferma, from Latin Firma, from Latin Firmus — to support; to hold.

Ancestry of “windwardmost”, step by step

windwardmost traces back through two separate lines of ancestry.

via English windward

StepLanguageWordMeaning
1EnglishwindwardTowards the wind, or the direction from which the...
2EnglishwindReal or perceived movement of atmospheric air...
3EnglishfarmA place where agricultural and similar activities...
4Middle EnglishfermeA lease; the renting of land
5Old Frenchfermelease; the land leased; farm
6Medieval LatinfermaAlternative form of firma
7LatinFirmatax, tribute
8LatinFirmusstrong, powerful
9Proto-Italicfermos
10Proto-Indo-Europeandʰer-mo-sholding
11Proto-Indo-Europeandʰer-to support; to hold

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 dʰer-
windwardmost — Etymology, Origin & Word History | Etymology Explorer