Where does “militantness” come from?

militantness (English) comes from English militant, from Middle French militant, from Latin mīlitāns, from Latin milito, from Latin mīles — A soldier.

militantness (English): militancy

Definitions

  1. militancy

Ancestry of “militantness”, step by step

militantness traces back through two separate lines of ancestry.

via English militant

StepLanguageWordMeaning
1EnglishmilitantFighting or disposed to fight; belligerent,...
2Middle Frenchmilitant
3Latinmīlitānsbeing a soldier; serving in the military
4LatinmilitoI am a soldier, I act as a soldier; I wage war
5LatinmīlesA soldier

via English Ness

StepLanguageWordMeaning
1EnglishNessAn Ulster princess and the mother of Conchobar mac Nessa and Findchoem in the Ulster Cycle of Irish mythology. Daughter of Eochaid Sálbuide. Also the mother of Cormac Cond Longas by incest with Conchobar mac Nessa
2Middle Englishnesse
3Old Englishnæsnot, not at all; not; first/third-person singular...
4Proto-Germanicnasjąfoothill; headland; cape
5Proto-Indo-Europeannéh₂snose
Every word from Latin mīlesEvery word from Latin militoEvery word from Latin mīlitāns