/ əˌfɒrɪˈsteɪʃn; NAmE əˌfɔːr-; əˌfɑːr-/ noun
[ U ] ( technical ) the process of planting areas of land with trees in order to form a forest
—compare deforestation
► af·for·est / əˈfɒrɪst; NAmE əˈfɔːr-; əˈfɑːr-/ verb [ vn ] [ usually passive ]
••
WORD ORIGIN
early 16th cent.: from medieval Latin afforestare , from ad- to (expressing change) + foresta forest + -tion .