h.s.

1

in this sense.

Origin of h.s.

1
From the Latin word hōc sensū

h.s.

2

(in prescriptions) at bedtime.

Origin of h.s.

2
From the Latin word hōrā somnī at the hour of sleep

H.S.

High School.
British. Home Secretary.
Dictionary.com Unabridged Based on the Random House Unabridged Dictionary, © Random House, Inc. 2019