ἀνήρ τῷ ἀδελφῷ αὐτοῦ προσκολληθήσεται → a man cleaves each to his fellow, each to one's fellow
interrogative: P. and V. πόθεν.
indirect: P. and V. ὁπόθεν.
relative: P. and V. ὅθεν, Ar. and V. ὅθενπερ, V. ἔνθεν (also Xen. but rare P.).