'silviculture-related' is a compound formed from 'silviculture' + the adjective-forming element 'related'. 'Silviculture' itself comes from Latin elements 'silvi-' (from 'silva' meaning 'forest') and 'culture' (from Latin 'cultura' meaning 'cultivation'). 'Related' derives from Latin 'relatus', the past participle of 'referre' (to carry back), via Old French and Middle English.

'silviculture' was created in modern scientific usage from Latin roots ('silva' + 'cultura') to denote 'forest cultivation'; combining it with English 'related' produced the compound adjective 'silviculture-related' to describe things associated with that field.

Initially the root elements referred specifically to 'forest' and 'cultivation'; over time 'silviculture' came to mean the applied science and practice of forest cultivation, and 'silviculture-related' now broadly denotes association with those practices or topics.