Where does “terrifyingness” come from?

terrifyingness (English) comes from English terrifying, from English terrify, from Middle French terrifier, from Latin terrificare, from Latin terror, from Latin faciō, from Latin -torium, from Latin -tōrius.

terrifyingness (English): The state or condition of being terrifying

Definitions

  1. The state or condition of being terrifying

Ancestry of “terrifyingness”, step by step

terrifyingness traces back through two separate lines of ancestry.

via English terrifying

StepLanguageWordMeaning
1EnglishterrifyingFrightening or intimidating; Of a formidable...
2EnglishterrifyTo frighten greatly; to fill with terror; To...
3Middle Frenchterrifier
4Latinterrificare
5Latinterrora dread, terror, great fear, alarm, panic; an...
6Latinfaciōto do
7Latin-toriumnominative neuter singular of -tōrius; accusative...
8Latin-tōriusory
9Latin-tor-er
10Proto-Italic-tōrForms agent nouns to verb stems
11Proto-Indo-European-tōrDerives agent nouns from verbs, denoting someone...
12Proto-Indo-European-tor-s

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 Proto-Indo-European -tor-s