Wiktionary
thof
conj. (context dialectal English) though.
Usage examples of "thof".
Nay, and he told me, too, that the squire had maintained him as his own son, thof he had quarrelled with him now.
For thof he was drest out so vine, I question whether he had got a voot of land in the world.
I could not find my way hither thof I could not jabber your French lingo.