Where does “hyperacuteness” come from?

hyperacuteness (English) comes from English hyperacute, from English acūte, from French aigu, from German akut, from Italian acuto, from Russian аку́т, from Spanish agudo, from Latin acūtus — sharp.

hyperacuteness (English): The quality of being hyperacute

Definitions

  1. The quality of being hyperacute

Ancestry of “hyperacuteness”, step by step

hyperacuteness traces back through two separate lines of ancestry.

via English hyperacute

StepLanguageWordMeaning
1EnglishhyperacuteVery acute; Tall-amplitude and asymmetrically...
2EnglishacūteBrief, quick, short
3Frenchaigusharp, pointy; acute, keen, discerning; sharp,...
4Germanakutacute; severe
5Italianacutoacute; sharp; high-pitched, high, shrill
6Russianаку́тacute accent
7Spanishagudosharp, pointed, acute; acute, sharp, witty, keen;...
8Latinacūtussharpened, made sharp, sharp, having been sharpened
9Latinacuōto make pointed, sharpen, whet
10Latinacusa needle, a pin; bodkin; bran, awn, chaff
11Proto-Italicakus
12Proto-Indo-Europeanh₂eḱus
13Proto-Indo-Europeanh₂eḱ-sharp

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 h₂eḱ-Every word from Proto-Indo-European h₂eḱusEvery word from Proto-Italic akus