Where does “speculativeness” come from?

speculativeness (English) comes from English speculative, from Middle English speculatyf, from Old French speculatif, from Latin speculātīvus, from Latin speculor, from Latin specula, from Latin spes, from Proto-Italic spēs — to succeed, to prosper.

speculativeness (English): The quality or state of being speculative

Definitions

  1. The quality or state of being speculative

Ancestry of “speculativeness”, step by step

speculativeness traces back through two separate lines of ancestry.

via English speculative

StepLanguageWordMeaning
1EnglishspeculativeCharacterized by speculation; based on guessing,...
2Middle Englishspeculatyf
3Old Frenchspeculatif
4Latinspeculātīvusspeculative
5LatinspeculorI watch, I observe; I examine, I explore; I spy
6Latinspeculawatchtower, lookout; nominative plural of...
7Latinspeshope; expectation, anticipation, apprehension
8Proto-Italicspēshope
9Proto-Indo-Europeanspéh₁sprosperity, success
10Proto-Indo-Europeanspeh₁-to succeed, to prosper

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 speh₁-
speculativeness — Etymology, Origin & Word History | Etymology Explorer