As far as; up to the place or degree that; especially, up to the time that

ETYM Formerly, onles, onlesse, onlesse that, that is, in less, in a less case. Related to On, and Less.
1. Upon any less condition than (the fact or thing stated in the sentence or clause which follows).
2. If not; supposing that not; if it be not; were it not that; except.

Up to the time that; till.

With regard to; concerning — chiefly in oral use

ETYM Old Eng. bi, AS. bî, big, near to, by, of, from, after, according to; akin to OS. and OFries. bi, be, Dutch bij, Old High Germ. bî, German bei, Goth. bi. Related to Be-.
(Homonym: buy, bye).
1. Next to.
2. In front of.
3. A preposition indicating the author of an act.

Up to the time that; till.