Both Uses of

duration
in
Tess of the d'Urbervilles

Not guessing the cause, there was nothing to remind him that experience is as to intensity, and not as to duration.†
Chpt 3 *

duration = the time during which something continues

It was the last of the three lives for whose duration the house and premises were held under a lease; and it had long been coveted by the tenant-farmer for his regular labourers, who were stinted in cottage accommodation.†
Chpt 6