This is the 4610th most frequent German word.
steckten
"Steckten" is the past tense of "stecken," meaning "put," "stuck," or "inserted."
The word 'steckten' here is the past tense (preterite) of 'stecken', meaning 'to put'. It is used to imply the action of placing something inside another object.
Sie steckten das Buch in die Tasche.
They put the book into the bag.
In this context, 'steckten' figuratively implies that someone is filled or possessed with certain qualities or attributes.
Er steckten voller Energie und Enthusiasmus.
He was full of energy and enthusiasm.
Here, 'steckten' is used reflexively to indicate holding back or restraining one's own actions or inclinations.