Where does “rostralmost” come from?

rostralmost (English) comes from English rostral, from Latin rōstrum, from Latin ferreorostris, from Latin ferreus, from Latin ferrum, from Cornish -er, from English -er, from Middle English -er.

rostralmost (English): Most rostral

Definitions

  1. Most rostral

Ancestry of “rostralmost”, step by step

rostralmost traces back through two separate lines of ancestry.

via English rostral

StepLanguageWordMeaning
1EnglishrostralRelating to the rostrum; Serving as a rostrum; A...
2Latinrōstrumbill or beak of a bird
3Latinferreorostrishaving a cruel beak
4Latinferreusiron, made of iron; like or pertaining to iron;...
5Latinferrumiron; any tool made of iron; fight, clash
6Cornish-erForms masculine agent nouns
7English-erA person or thing that does an action indicated...
8Middle English-eragentive suffix; agent noun suffix
9Old French-erAlternative form of -ier, verbal suffix;...
10Latin-ārefirst conjugation
11Proto-Italic-āōForms primarily denominative verbs
12Proto-Indo-European-eh₂yétiCreates iterative/ frequentative/ intensive...
13Proto-Indo-European-yétiCreates intransitive, often deponent,...
14Proto-Indo-Europeanyé-

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 yé-Every word from English -erEvery word from Proto-Indo-European -yéti