Latin word hactenus comes from Latin hac (So, thus, thusly. This way.), Latin tenus

Detailed word origin of hactenus

Dictionary entry	Language	Definition
hac	Latin (lat)	So, thus, thusly. This way.
tenus	Latin (lat)	(Ecclesiastical Latin) Lengthwise, along. (with ablative, of a process) Up to (a given stage of). (with genitive and ablative, of limitation) To the maximum extent of, within. (with genitive and ablative) Right up to, as far as, just as far as Some sort of snare.
hactenus	Latin (lat)	(figuratively) thus far, hitherto, to this moment.. (figuratively) to this extent, so far. So much for.. Thus far, as far as this.. To this point (but no further).