hiếu

Etymology 1
.

Noun

 * 1) filial piety
 * 2) mourning after parent's death

Adjective

 * 1) filially pious

Etymology 2
.

This is the SV reading of the verbal form. This form probably originated from Central-Southern Vietnam and displaced Northern, which would be the expected reflex of , as the "standard" Sino-Vietnamese reading. Compare vs.,  vs. ,  vs..

Verb

 * 1)  to like