Where does “sċieldtruma” come from?

sċieldtruma (Old English) comes from Old English sċield, from Proto-West Germanic skeldu, from Proto-Germanic skelduz, from Proto-Indo-European (s)keit-.

Ancestry of “sċieldtruma”, step by step

sċieldtruma traces back through two separate lines of ancestry.

via Old English sċield

StepLanguageWordMeaning
1Old Englishsċieldshield
2Proto-West Germanicskeldushield
3Proto-Germanicskelduzshield
4Proto-Indo-European(s)keit-

via Old English truma

StepLanguageWordMeaning
1Old Englishtrumaband or troop of men; a troop of soldiers
Every word from Proto-Indo-European (s)keit-Every word from Proto-Germanic skelduzEvery word from Proto-West Germanic skeldu