The word "heyed" is a past tense of the verb "to hey," which means to call out or greet. Its pronunciation is /heɪd/, where the first syllable is pronounced like the word "hay" and the second syllable is pronounced like the "ed" ending in "played." The spelling "heyed" is created by adding the regular past tense "-ed" suffix to the base form "hey." Despite its simplicity, this spelling may confuse some people because "hey" and "eyed" share a similar sound, but they have different meanings and spellings.