संस्‍कृतशब्‍दकोशः

कर्णाकर्णि

कानोंकान

from ear to car

Monier–Williams

कर्णाकर्णि — {karṇākarṇi} ind. from ear to ear, whispering into each other's ear R. (cf. {keśākeśi}, &c.)