'torchwood' originates from English, combining the words 'torch' and 'wood', where 'torch' refers to a source of light and 'wood' refers to the material from trees.

'torchwood' is a compound formed in English from 'torch' and 'wood', and has been used since at least the 17th century to refer to wood suitable for making torches.

Initially, it meant 'wood used for making torches', and this meaning has remained consistent in modern usage.