Etymology

From Proto-Germanic *þekuz, from Proto-Indo-European *teg(')w- ‎(“thick”), *tegus. Cognate with Old Frisian thikke (West Frisian tsjok), Old Saxon thikki ‎(“thick, dense”) (Low German dick), Dutch dik, Old High German dicki ‎(“thick”) (German dick), Old Norse þykkr, þjokkr, þjukkr ‎(“thick”) (Icelandic þykkur, Danish tyk).

Pronunciation

• IPA^(key): /ˈθik.ke/