From Wiktionary, the free dictionary
Contraction of iste ( “ this ” ) + vorsum ( “ toward ” ) .
istōrsum (not comparable )
thither
type
demonstrative
anaphoric
identity
interrogative or basic relative
indefinite
alternative
proximal
medial
distal
relative
irrelative
free choice
universal
positive polarity
negative polarity
negative
basic
hic
iste istic
ille illic
is
ᵉipse īdem
quis quī
quīcumque quisquis
quīdam aliquis , quis aliquī , quī nesciō quis
quīvis quīlibet
quisque
quispiam
quisquam hīlum ūllus
nēmō̆ nihil nūllus
alius
ᵇcomparative
huiusmodī ᵉhuiuscemodī
istī̆usmodī ᵉistī̆uscemodī
illī̆usmodī ᵉillī̆uscemodī
eiusmodī
eiusdemmodī
cuiusmodī
cuiusmodīcumque
alicuiusmodī cuiusdammodī
cuiusvīsmodī
cuiusquemodī
cuiusquammodī
°nūllī̆usmodī
alterī̆usmodī alīusmodī
dual
uter
utercumque
alteruter
utervīs uterlibet
uterque
neuter
alter
place
hīc
istīc
illīc
ibī̆
ibī̆dem
ubī̆
ubī̆cumque °ubiubī̆
alicubī̆
ubivīs ubilibet
ubīque
uspiam
usquam °ubīquam
nusquam nūllibī
alibī aliās
source
hinc
istinc °istim
illinc °illim
inde ªim
indidem
unde °cum
undecumque °undeunde
alicunde
°undelibet
undique
°undiquam
°nūllunde
aliunde
destination
hūc hōc °hōrsum
istūc istō , istōc °istōrsum
illūc illō , illōc °illōrsum
eō
eōdem
quō quōrsum
quōcumque quōquō °quōrsumcumque
aliquō °aliquōvorsum
quōvīs quōlibet
quōque
quōpiam uspiam
usquam quōquam ªūllō
nusquam ªnihilō ªnūllō °nūllōrsum
aliō aliōrsum
means, way, path, place
hāc
ªistā istāc
ªillā illāc
eā
eādem
quā quārē
quācumque quāquā
aliquā
quāvīs quālibet
°quāque
°quāpiam
°quāquam ªūllā
nēquāquam ªnūllā ᵉhaudquāquam
aliā
ᵇdistance
hāctenus
°istātenus °istāctenus
°illātenus °illāctenus
eātenus
quātenus
°quātenuscumque °quāquātenus
aliquātenus quādantenus
°quātenusvīs °quātenuslibet
ūllātenus
nūllātenus
aliātenus
ᵇreason
°hācpropter °hōccircā
°istāpropter
°illāpropter
eāpropter proptereā eōcircā idcircō ideō
ᶜcūr quāpropter quōcircā quārē †quia
°aliāpropter
ᵇmanner
hōc modō
istō modō
illō modō
ita ᵉsīc eō modō
item itidem eādem operā eōdem modō
ut prout °quem quō modō quōmodo ᵉquemadmodum
utcumque °utut °proutcumque quōmodocumque °ᵉquemadmodumcumque
quōdam modō aliquō modō
quōmodolibet
utīque quōque modō
quōpiam modō
°utiquam ūllō modō
nihil neutiquam °neutī̆que nūllō modō
aliter alterō /aliō modō
instrument, matter, knowledge
quī ᵉquīn °quīcum
quīcumque
quī °aliquī
°quīlibet
°quīque
°quia
°quīquam
nihilō nēquīquam
aliōquī ᵉaliōquīn
time
†num nunc
ōlim
tum tunc
simul
quandō̆ ‡cum
quandōcumque quandōque cumque °quandōnē °ᵉquandōquandō °cumcumque
quondam aliquandō̆
°quandōlibet
quandōque
†quoniam
umquam
numquam
aliās
quantity
tam
†tamen †tandem
quam
quamcumque †quamquam
aliquam
quamvīs quamlibet
quamque
size
tantus
tantusdem
quantus
quantuscumque quantusquantus
aliquantus
quantusvīs quantuslibet
quantusque
quality
tālis
quālis
quāliscumque quālisquālis
aliquālis
quālislibet
quālisque
number
tot
totidem
quot
quotquot quotcumque
aliquot
quotlibet
order/fractional
totus
quotus
°quotuscumque
°aliquotus
°quotuslibet
°quotusque °quotusquisque
repetition
totiēns
quotiēns
quotiēnscumque
aliquotiēns
quotiēnslibet
quotiēnsque °quotiēnsquisque
°nūllotiēns
† Turned conjunction with original meaning somewhat changed ° Rare ‡ Only used as a conjunction, not as an interrogative. ª Used almost exclusively to form locutions or compounds. ᵇ All locutions ending in modī , modō , propter , circā or tenus can be univerbalized and vice versa, except de , secus and if another suffix, such as -cumque , -que or -libet , follows them, quemadmodum can also come as a locution in "quem ad modum", quārē can even also come separately especially if accompanied by a preposition, such as dē . ᶜ Used purely and simply as an interrogative in direct questions (then irrelative), its relative meaning is somewhat lost, if it ever had one. ᵉemphatic
“istorsum ”, in Charlton T. Lewis and Charles Short (1879 ), A Latin Dictionary , Oxford: Clarendon Press
“istorsum ”, in Charlton T. Lewis (1891 ), An Elementary Latin Dictionary , New York: Harper & Brothers
“istorsum ”, in Gaffiot, Félix (1934 ), Dictionnaire illustré latin-français , Hachette.