This is the 15188th most frequent German word.
tiefgehende
"Profound" or "in-depth."
The term 'tiefgehende' is used here as an adjective describing 'Analyse', indicating that the examination or analysis was profound and detailed.
Die tiefgehende Analyse des Romans hat neue Einsichten gebracht.
The in-depth analysis of the novel has brought new insights.
'Tiefgehenden' is employed to qualify 'Erfahrungen', meaning that the experiences were significant and have had a substantial impact.
Seine tiefgehenden Erfahrungen haben ihn zu einem besseren Mentor gemacht.
His deep experiences have made him a better mentor.
Here, 'tiefgehende' modifies 'Einblicke', stressing that the insights provided were comprehensive and detailed.