Parsing inflected forms may not always work as expected. If the following does not give the correct word, try Latin Words or Perseus.
* ĕōăd, adv. [inverted from adeo; cf. quoad], until: nuptias eludit, eoad dum puerorum avus fato concessit, App. Mag. 68, p. 318, 13 (cf. adeo, I. A. 2.).