pron. (3rd pl. nom.)
Cl, Pat thay; Erk þai; WA þai
'they' (Modern English they)
*þai + z
Proposed ON Etymon (OIcel representative)
(ONP þeir (CV))
Other Scandinavian Reflexes
early runic þaiʀ, þeiʀ, etc., Far teir, Icel þeir, Norw dei, Dan de, OSw þē(r), Sw de
Phonological and morphological markers
ON /ei/ < PGmc */ai/
Mainly N/EM in early ME (already invariable form in Orrm), but widespread by late ME: on the medieval distribution of the Norse-derived third person pronouns (and their variant spellings), see esp. Samuels 1972: 70–2, Ritt and Morse-Gagne, LAEME map 00002331 and LALME dot map 28.
Occurrences in the Gersum Corpus
Gaw 50, 69, 71, etc.; Pe 80, 94, 509, etc.; Cl 9, 10, 11 etc.; Pat 13, 15, 16 etc.; Erk 9, 43, 45 etc.; WA 1, 3, 13 etc.
McGillivray reads a further instance of þay at Gaw 1445 (<hay þay>, for others' <hay hay>).