Anglicized form of Thàmhais, vocative case of TÀMHAS. Alternatively it could be taken from the Scottish surname MacTavish, Anglicized form of Mac Tàmhais, meaning "son of Thomas".
2. tavish, a quiet, thin, tall, cute boy who rules at maths and chemistry
3. a good wish, the ideal name for a boy child
1.man!.. that cute dude topped his 'O'levels at maths.. he's such an tavish!
2.man: hi my name is thomas...
boy: oh is your son tavish?
3. i tavished yesterday for my grandmum's birthday