autkanthyat
autkaṇṭhyāt — because of great anxiety;
SB 1.10.14
autkaṇṭhyāt — by excessive anxiety;
SB 3.2.1
autkaṇṭhyāt — because of eagerness;
SB 4.7.11
autkaṇṭhyāt — from eagerness;
SB 10.38.35