Where does “certifiableness” come from?

certifiableness (English) comes from English certifiable, from English -able, from Middle English -able, from Old French -able, from Latin -ābilis — suffixed to noun to form adjectives meaning "able to have or bring, prone to have or bring, having the power to have or bring": -able.

certifiableness (English): The quality of being certifiable able to be certified

Definitions

  1. The quality of being certifiable able to be certified

Ancestry of “certifiableness”, step by step

certifiableness traces back through two separate lines of ancestry.

via English certifiable

StepLanguageWordMeaning
1EnglishcertifiableThat can, or that must be certified; Mentally ill...
2English-ableAn adjectival suffix; forms adjectives meaning
3Middle English-ableable
4Old French-ableworthy of, deserving of; -ing, creating an...
5Latin-ābilissuffixed to noun to form adjectives meaning "able to have or bring, prone to have or bring, having the power to have or bring": -able

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 -ābilis