Where does “pencil-neck” come from?

pencil-neck (English) comes from English neck, from Middle English nekke, from Old English hnecca, from Proto-West Germanic *hnakkō, from Proto-Germanic hnakkô, from Proto-Indo-European knog-, from Proto-Indo-European ken- — to arise, begin.

pencil-neck (English): A person with a very thin neck; An insubstantial...

Definitions

  1. A person with a very thin neck; An insubstantial...

Ancestry of “pencil-neck”, step by step

pencil-neck traces back through two separate lines of ancestry.

via English neck

StepLanguageWordMeaning
1EnglishneckThe part of the body connecting the head and the...
2Middle Englishnekkeneck
3Old Englishhneccaback of the neck; back of the head; neck
4Proto-West Germanic*hnakkōnape
5Proto-Germanichnakkôthe back of the neck; nape
6Proto-Indo-Europeanknog-back of the head, nape, neck
7Proto-Indo-Europeanken-to arise, begin

via English pencil

StepLanguageWordMeaning
1EnglishpencilA paintbrush
2Old Frenchpincil
3Latinpēniculus
4Latin-culusAlternative form of -ulus; added to a noun to...
5Proto-Italic*-kelosDiminutive suffix
Every word from Proto-Indo-European ken-Every word from Proto-Indo-European knog-Every word from Proto-Germanic hnakkô