eu > en 
1 da ad. [nonbaitetik] to fall, to fall off, to fall down; [zerbait] to drop
autoa ibaira erori zen: the car fell into the river
bizikletan hasi baino ez eta erori egin nintzen: no sooner had I started riding my bike than I fell off
eskaileratik erori: to fall off a ladder
ederra egin dut! platerkada purea erori zait!: ¡oh my goodness! I've just dropped a bowl of soup!
2 da ad. [hortzak, ilea, hostoa] fall out
3 da ad. [gogoa] to become/feel/get discouraged; to decline; to sink
4 da ad. (-en esanera, -en nahira aurretik duela) to agree, to come to an agreement
medikuaren esanera erori zen: she agreed to what the doctor said
5 da ad. [loteria, kiniela, zozketa] to win
loterian sari handiena erori zaio: he has won the first prize in the lottery
6 da ad. [boterea, gobernua] to fall
erori, eror, erortzen