Where does “ultrathick” come from?

ultrathick (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-.

ultrathick (English): Extremely or exceedingly thick

Definitions

  1. Extremely or exceedingly thick

Ancestry of “ultrathick”, step by step

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-—
Every word from Proto-Indo-European teg- →Every word from Proto-Indo-European tégus →Every word from Proto-Germanic þekuz →