Where does “ferrophosphorus” come from?

ferrophosphorus (English) comes from English Ferro, from Italian ferro, from Latin ferrum, from Cornish -er, from English -er, from Middle English -er, from Old French -er, from Latin -āre — he, she.

ferrophosphorus (English): A ferroalloy of iron and phosphorus

Definitions

  1. A ferroalloy of iron and phosphorus

Ancestry of “ferrophosphorus”, step by step

ferrophosphorus traces back through two separate lines of ancestry.

via English Ferro

StepLanguageWordMeaning
1EnglishFerroEl Hierro
2Italianferroiron; first-person singular present indicative of...
3Latinferrumiron; any tool made of iron; fight, clash
4Cornish-erForms masculine agent nouns
5English-erA person or thing that does an action indicated...
6Middle English-eragentive suffix; agent noun suffix
7Old French-erAlternative form of -ier, verbal suffix;...
8Latin-ārefirst conjugation
9Proto-Italic-āōForms primarily denominative verbs
10Proto-Indo-European-eh₂yétiCreates iterative/ frequentative/ intensive...
11Proto-Indo-European-yétiCreates intransitive, often deponent,...
12Proto-Indo-Europeanyé-
13Chichewaiyehe, she

via English Phosphorus

StepLanguageWordMeaning
1EnglishPhosphorusA name sometimes used for Hesperus, the personification in Greek mythology of the planet Venus
2Latinphōsphorusphosphorus
3Ancient GreekΦωσφόροςthe bearer of light
4Ancient Greek-φόρος-bearing, -carrying; carrying, bearing; bringing
5Ancient GreekφέρωI bring, bear, carry
6Proto-Hellenicpʰérōto bear
7Proto-Indo-Europeanbʰéretito be carrying
8Proto-Indo-Europeanbʰēr-shiny, light brown
Every word from Chichewa iyeEvery word from English -erEvery word from Proto-Indo-European -yéti