The story
According to Milne's Celtic Place-Names in Aberdeenshire (1912), from Scottish Gaelic "Meall Tuim Airidhe", meaning "hill of the hill of the shieling". Presumably influenced by mill and timber.
Etymology from Wiktionary, CC BY-SA 4.0.
Milltimber
Today it means: A suburb in south-west Aberdeen, City of Aberdeen council area, Scotland (OS grid ref NJ8501). Full definition →