second hand

[sek-uh nd hand for 1; sek-uh nd hand for 2, 3] /ˈsɛk ənd ˌhænd for 1; ˈsɛk ənd ˈhænd for 2, 3/
noun
1.
the hand that indicates the seconds on a clock or watch.
2.
an assistant or helper, as to a worker or foreman.
Idioms
3.
at second hand, from or through an intermediate source or means; secondhand:
She had the news at second hand.
Origin
1425-75 for def 3; 1750-60 for def 1; late Middle English
British Dictionary definitions for at second hand

second hand

noun
1.
a pointer on the face of a timepiece that indicates the seconds Compare hour hand, minute hand
Idioms and Phrases with at second hand

at second hand

Received from some source other than the original. For example, I learned of Mary's divorce at second hand. This phrase may be applied to information or to previously owned merchandise. [ 1400s ]
Also see: at first hand

second hand