zeslábnout znamená v angličtina

languish [languished, languishing, languishes]▼(to lose strength and become weak)
verb
[UK: ˈlæŋ.ɡwɪʃ] [US: ˈlæŋ.ɡwɪʃ]

abate [abated, abating, abates]▼(to decrease in force or intensity, see also: subside)
verb
[UK: ə.ˈbeɪt] [US: ə.ˈbeɪt]

slacken [slackened, slackening, slackens]▼((intransitive) to gradually decrease in intensity)
verb
[UK: ˈslækən] [US: sˈlækən]