tränga undan bedeutet auf Englisch

dislocate [dislocated, dislocating, dislocates]▼(to put something out of its usual place)
verb
[UK: ˈdɪ.slək.eɪt] [US: ˈdɪsloket]

supersede [superseded, superseding, supersedes]▼(displace in favour of another)
verb
[UK: ˌsuː.pə.ˈsiːd] [US: ˌsuː.pər.ˈsiːd]

supplant [supplanted, supplanting, supplants]▼(to take the place of, to replace)
verb
[UK: sə.ˈplɑːnt] [US: sə.ˈplænt]