Etymology and Derived Terms with Relationships

Term	Root	Meaning	Derived Terms and Meanings	Hierarchy/Relationship
Canny	Middle English can	Knowledgeable, shrewd	Canniness (quality of being canny)	Derived from Ken
Ken	Proto-Germanic kunnan	To know, perceive	Kenning (poetic device), Ken (range of knowledge)	Root term; ancestor to Canny, Kenning, and Uncanny
Kenning	Old Norse kenna	Metaphorical phrase	-	Derived from Ken
Know	Proto-Indo-European gno	To be aware of, perceive	-	Derived from Proto-Indo-European gno; related to Gnosis, Ken, and Recognize
Uncanny	Scots ken + prefix un-	Strange, unsettling	Uncanniness (quality of being strange or unsettling), Uncanny resemblance (eerie similarity)	Derived from Canny with un- prefix
Knowledge	Proto-Indo-European gno	The state of knowing	-	Root for many derived terms including Ken, Gnosis, and Recognize
Noble	Latin nobilis	Known, famous, noble	Nobility (the quality of being noble)	Derived from gnoscere (to know)
Recognize	Latin gnoscere	To identify something known	-	Derived from gnoscere; related to Knowledge
Gnosis	Greek gnosis	Knowledge, inquiry, spiritual knowledge	Diagnosis (identification of illness), Prognosis (forecast of outcome)	Root in Greek gignoskein ('to know')
Diagnosis	Greek gnosis	Identification of illness or problem	-	Derived from Gnosis
Prognosis	Greek gnosis	Forecast of outcome	-	Derived from Gnosis
Latin gnoscere	Proto-Indo-European gno	To get to know	Recognize, Noble	Derived from Proto-Indo-European gno
Greek gignoskein	Proto-Indo-European gno	To know	Gnosis	Derived from Proto-Indo-European gno

Etymology Hierarchy Overview

Proto-Indo-European gno
- Proto-Germanic kunnan
  - Ken (Old English cennan)
    - Kenning (Old Norse kenna) - Metaphorical phrase
    - Canny - Knowledgeable, shrewd
      - Uncanny - Strange, unsettling
- Latin gnoscere ('to get to know')
  - Noble (Latin nobilis) - Known, famous, noble
  - Recognize - To identify something known
- Greek gignoskein ('to know')
  - Gnosis (Greek gnosis) - Knowledge, inquiry
    - Diagnosis - Identification of illness
    - Prognosis - Forecast of outcome
- Know (Proto-Indo-European gno) - To be aware of, perceive
  - Ken - To know, perceive
  - Gnosis - Knowledge, inquiry
  - Recognize - To identify something known

Derived Terms and Their Relationships

From Ken:

Kenning - A metaphorical compound expression used in Old Norse poetry
Canny - Originally meaning "knowing, careful", now also "shrewd, prudent"
Uncanny - Originally "mischievous", evolved to mean "supernatural, strange"

From Gnosis:

Diagnosis - Literally "through knowledge", identification through careful observation
Prognosis - "Before knowledge", prediction based on current knowledge
Gnostic - Relating to knowledge, especially esoteric spiritual knowledge

From Latin gnoscere:

Recognize - To know again, identify from previous knowledge
Noble - Originally meaning "well-known", evolved to mean "excellent, superior"
Notify - To make known
Notice - Awareness or observation

Hierarchy Summary: The root Proto-Indo-European gno serves as the origin for terms like Ken, Gnosis, and Recognize. From Ken, we derive Canny and Uncanny, while Kenning emerges from Old Norse influences. Latin and Greek roots like gnoscere and gnosis further provide a basis for terms like Noble, Recognize, Diagnosis, and Prognosis.