knowest
Meaning
second-person singular simple present indicative of know
Word Forms
know'st
Etymology
Etymology tree
English know
Proto-Indo-European *-yōs
Proto-Indo-European *-tHós
Proto-Indo-European *-istHos
Proto-Germanic *-istaz
Proto-West Germanic *-ist
Old English -est
Middle English -est
English -est
English knowest
From know + -est.