trochee
We can hear his voice sounding out the dactyls of "half a league, half a league onwards".
Her name, Helena Shovelton, is a perfect double dactyl.
The very name of Anna Karenina has a galloping rhythm, dactyls being commonly used for hoofbeats.
The dactyls in line 114 contribute to the urgent, questioning tone.

SMART Vocabulary: related words and phrases

Literature
accentual
action hero
alliterative
alternative history
anapest
fiction
fictionality
fictionally
fictive
fictively
non-canonical
non-character
non-literary
non-metrical
non-poetic
sympathetically
tanka
tartan noir
theatrics
threnody