Where does “chitterling” come from?

chitterling (Middle English) comes from Proto-Germanic kweþuz, from Proto-Indo-European gʷét- — resin, gum.

Ancestry of “chitterling”, step by step

StepLanguageWordMeaning
1Proto-Germanickweþuzbelly, stomach; womb
2Proto-Indo-Europeangʷét-resin, gum
Every word from Proto-Indo-European gʷét-Every word from Proto-Germanic kweþuz