afforestation
noun /əˌfɒrɪˈsteɪʃn/
/əˌfɔːrɪˈsteɪʃn/
[uncountable] (specialist)- the process of planting areas of land with trees in order to form a forest compare deforestationWord Originearly 16th cent.: from medieval Latin afforestare, from ad- ‘to’ (expressing change) + foresta ‘forest’ + -tion.