Tho \Tho\, adv. [AS. [thorn][=a].] Then. [Obs.] --Spenser.
To do obsequies as was tho the guise. --Chaucer.
Source: Webster's Revised Unabridged Dictionary (1913)
Tho \Tho\, conj. Though. [Reformed spelling.]
Tho \Tho\, pron. pl. Those. [Obs.]
This knowen tho that be to wives bound. --Chaucer.
Tho \Tho\ ([th][=o]), def. art. The. [Obs.] --Spenser.