h.s.

¹

abbreviation

1. in this sense.

h.s.

²

abbreviation

1. (in prescriptions) at bedtime.

Hs

³

Symbol, Chemistry, Physics.

1. hassium.

H.S.

⁴

abbreviation

1. High School.

2. British.,  Home Secretary.

HS

abbreviation

1. High School

2. (in Britain) Home Secretary

Word History and Origins

Origin of HS¹

From Latin hōc sensū

Origin of HS²

From Latin hōrā somnī “at the hour of sleep”