Old English trum

← Proto-Germanic *trumaz (inherited)

← Proto-West Germanic *trum (inherited)

→ English shelter (mention)

→ English sheltron (mention)

→ English Trumble (mention)

→ Old English untrum (prefix)

→ Middle English trome (mention)

→ Ancient Greek δροόν (cognate)

→ Latin durus (cognate)