kadā́ ind. (fr. 2. ka), when? at what time? (with following fut. or pres. tense, [Pāṇ. iii, 3, 5]), [RV.]; [MBh.]; [Pañcat.] &c.
at some time, one day, [RV. viii, 5, 22]
how? [RV. vii, 29, 3]
with a following nu khalu, when about ? [MBh. iii]
with a following ca and preceding yadā, whenever, as often as possible (e.g. yadā́ kadā́ ca sunávāma sómam, let us press out the Soma as often as may be or at all times, [RV. iii, 53, 4])
with a following caná, never at any time, [RV.]; [AV.]; [TUp.]; [Hit.] &c.
(irr. also) at some time, one day, once, [MBh. xiii]; [Kathās.] &c.
na kadā́, never, [RV. vi, 21, 3]; [Subh.]
na kadā cana, never at any time, [RV.]; [AV.] &c.
kadā cit, at some time or other, sometimes, once
na kadā cit, never
kadāpi, sometimes, now and then
na kadāpi, never;
[cf. Zd. kadha; Gk. κότε and πότε; Lat. quando; Lith. kadà; Slav. kǔda.]