Where does “swam” come from?

swam (Middle Dutch) comes from Old Dutch swam, from Proto-Germanic *swammaz, from Proto-Indo-European swombh- — sponge, tree-fungus, swamp.

Ancestry of “swam”, step by step

StepLanguageWordMeaning
1Old Dutchswam
2Proto-Germanic*swammaz
3Proto-Indo-Europeanswombh-sponge, tree-fungus, swamp

Words derived from “swam

Every word from Proto-Indo-European swombh-Every word from Proto-Germanic *swammazEvery word from Old Dutch swam