OpenEtymology

uncanny

UKʌnˈkæniUSʌnˈkæni

Meaning

1adj

strange or mysterious, often in a way that is slightly frightening or unsettling

2adj

so accurate or intense as to seem not natural or human

Structure

word structure
1
un
not
+
2
canny
knowing, skilled

Usage

there was an uncanny silence in the abandoned house.

the robot's imitation of human emotion was uncanny.

she bore an uncanny resemblance to her grandmother.

Etymology

the word 'uncanny' has a layered history rooted in the concept of knowledge. its core, 'canny', originated from the middle english 'can' (to know), which evolved from old english 'cunnan' and ultimately proto-germanic kunnaną. 'canny' thus meant "knowing, shrewd, skilled." the addition of the negative prefix 'un-' created a term literally meaning "not knowing" or "beyond one's knowledge." this evolved into describing things that are strangely unfamiliar, unsettlingly precise, or seemingly beyond natural explanation, perfectly capturing the sense of eerie mystery the word holds today.

Analysis

Structure
un (not) + canny (knowing, skilled)=unnot+cannyknowing, skilled

'un-' is a prefix of english (germanic) origin, meaning "not". 'canny' is an adjective of scots and northern english origin, from the verb 'can' meaning "to know, to be able", ultimately from proto-germanic.

Uncanny Etymology, Origin & Meaning | wordDNA