yátas ind. (fr. 3. ya, correlative of tátas, and often used as abl. or instr. of the relative pron.) from which or what, whence, whereof, wherefrom, [RV.] &c. &c. (yáto yataḥ, ‘from whichever’, ‘from whatever’, ‘whencesoever’; yatas tataḥ, ‘from any one soever’, ‘from any quarter whatever’; yata eva kutaś ca, ‘from this or that place’, ‘whencesoever’)
where, in what place, [AV.] &c. &c.
whither, [Kāv.]; [Var.]; [Kathās.] (yato yataḥ, ‘whithersoever’; yatas tataḥ, ‘any whither’, ‘to any place whatever’)
wherefore, for which reason, in consequence where of [R.]; [BhP.]
as, because, for, since, [AV.] &c. &c. (often connecting with a previous statement)
from which time forward, since when (also with prabhṛti; yato jātā, ‘ever since birth’), [MBh.]; [Kāv.] &c.
as soon as, [RV. iii, 10, 6]
that (= ὅτι, also to introduce an oratio recta), [Kāv.]; [Pur.]