פֿלײַסן זיך
געפֿליסן
'to try hard'

ETYMOLOGY

OE flītan 'to strive, contend, dispute', OS and-flītan, Dutch vlijten, OHG flīzan 'to strive, try, fight', MHG vlîzen, NHG fleißen; from PGmc ✱flītan- 'to strive, fight' (or ✱fleit-a-) < ✱pléid-e- (WEUR).