Where does “infrarostral” come from?

infrarostral (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.

infrarostral (English): Beneath a rostrum

Definitions

  1. Beneath a rostrum

Ancestry of “infrarostral”, step by step

infrarostral 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 infra

StepLanguageWordMeaning
1EnglishinfraDiscussed later; Infrastructure
2Latininfrabelow
3Latinīnferā
4Frenchinférerto infer
5Latinīnferōto carry, bring, put, place, or throw in, into, to, or upon somewhere or something; insert
6Latinīn-un-, non-, not
7Latinînin, at, on, upon, from (space)
8Latinenlookǃ beholdǃ; reallyǃ?; come onǃ
9Proto-Italicenin
10Proto-Indo-Europeanh₁énin
Every word from Proto-Indo-European yé-