a woman, femal, she, Irish an tí, she who, an té, he who (O'Donovan says either means "he or she who" or "person who"), Old Irish intí is(qui), indí ea(quae), aní id(quod): the article and the enclitic particle -í, for which See nì, and cf. tì, he who.
Etymological dictionary of the Gaelic language.
Alexander Gairm Publications.
1982.