knowest

verb

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.

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