Where does “thick-un” come from?

thick-un (English) comes from English thick, from Middle English thikke, from Old English þicce, from Proto-West Germanic þikkwī, from Proto-Germanic þekuz, from Proto-Indo-European tégus, from Proto-Indo-European teg-.

thick-un (English): A crown coin; its value, five shillings

Definitions

  1. A crown coin; its value, five shillings

Ancestry of “thick-un”, step by step

thick-un traces back through two separate lines of ancestry.

via English thick

StepLanguageWordMeaning
1EnglishthickRelatively great in extent from one surface to...
2Middle EnglishthikkeAlternative form of thicke
3Old Englishþiccethick
4Proto-West Germanicþikkwīthick
5Proto-Germanicþekuzthick
6Proto-Indo-Europeantégusthick
7Proto-Indo-Europeanteg-

via English un

StepLanguageWordMeaning
1EnglishunOne
Every word from Proto-Indo-European teg-Every word from Proto-Indo-European tégusEvery word from Proto-Germanic þekuz