Where does “pyrobituminous” come from?

pyrobituminous (English) comes from English bituminous, from French bitumineux, from Latin bituminosus, from Latin bitūmen, from Latin -men, from Proto-Italic *-mn̥.

pyrobituminous (English): Of or relating to pyrobitumen

Definitions

  1. Of or relating to pyrobitumen

Ancestry of “pyrobituminous”, step by step

pyrobituminous traces back through two separate lines of ancestry.

via English bituminous

StepLanguageWordMeaning
1EnglishbituminousOf or pertaining to bitumen; Bituminous coal; A...
2Frenchbitumineuxbituminous
3Latinbituminosusabounding in bitumen or pitch; bituminous
4Latinbitūmenmineral pitch, bitumen
5Latin-menforms neuter nouns of the third declension
6Proto-Italic*-mn̥

via English pyro

StepLanguageWordMeaning
1Englishpyroa pyromaniac; pyrocellulose; pyrotechnician
2Ancient Greekπῦρa fire; lightning; a fever
3Proto-Indo-Europeanpéh₂wr̥bonfire; spelt
Every word from Proto-Italic *-mn̥Every word from Latin -menEvery word from Latin bitūmen