-est
suffixEtymology From Middle English -est, -st, from Old English -est, -ast, -st, ultimately from Proto-Germanic *-zi, from Proto-Indo-European *-si. The -t was by transfer from inverted order where thou followed the verb, which also occurred in most dialects of Middle Dutch and Middle High German (compare modern German -st).
Archaic, Dialectal, Morpheme Used to form the second-person singular present tense and past tense of verbs. (if thou is the subject; not used with you)
- goest, makest, wentest, madest