arm. kc-anem, Aor. 3. Sg. e-kic `stechen, beis|en', kc-u `bitter, ranzig';

    air. ge:r `scharf, sauer' (*gig^-ro-);

    lit. gi\z^ti `sauer werden', gaiz^u\s, giz^u\s `ranzig, bitter, mu"rrisch', gai~z^ti `bitter werden';