English
treelogy
Blend of tree + trilogy.
Proto-Indo-European *dóru
Proto-Germanic *trewą
Proto-West Germanic *treu
Old English trēo ‘tree’
Middle English trau
English tree
Proto-Indo-European *leǵ- ‘to collect (words)’
Proto-Hellenic *lógos
Ancient Greek λόγος ‘that which is said: word, sentence, speech,…’
Ancient Greek τριλογία
Latin trilogia
English trilogy
Today it means
noun A trilogy with tangible tree-related themes.
Language periods are conventional ranges, not dates for this word.
Etymograph / treelogy