←
English trill (mention)
←
Middle English drillen (inherited)
→
English trill (mention)
→
Spanish dril (borrowed)
→
Japanese ドリル (borrowed)
→
Norwegian Bokmål bor (link)
→
Norwegian Bokmål drille (derived)
→
Norwegian Nynorsk bor (link)
→
Norwegian Nynorsk drille (derived)