wesay tenam 'ehkwaqvech nesoom

English: Translation
they leached it until the bitterness was gone
sentence
Notes

wesay: leaches (i.e. run water through acorn meal to leach out the tannins)

tenam: they were/did while around (auxiliary verb, plural of tewam)

'ehkwaq: is bitter

-vech: the (subject case)

nesoom: is over, gone, no more