Obs. [ME. repr. OE. þam dat. sing. of se, séo, þæt, THAT.] After a prep.: That; as in for þan, for that (reason), therefore; for al þan, for all that (FOR 23 b); not (na) for than, notwithstanding that. See also FOR-THAN.
1297. R. Glouc. (Rolls), 1418. Ȝut for al þan Hii broȝte oure louerd ihesu crist to deþe on þe rode.
a. 1325. Prose Psalter, Athasasian Creed, 16. And na-for-þan þer ne ben nouȝt þre goddes.
c. 1450. Lovelich, Grail, xlv. 365. Nevertheless not for than the water In his Eyen stille was than.