first-hand

UK: /ˌfɜː^rstˈhænd/

Collins Concise English Dictionary © HarperCollins Publishers::

first-hand adjective , adverb

1. from the original source; direct or directly: first-hand news, he got the news first-hand
2. at first hand ⇒ from the original source; directly

WordReference Random House Learner's Dictionary of American English © 2025

first•hand or first-hand /ˈfɜrstˌhænd/   adv. 

1. from the source;
   directly:
   I learned firsthand not to disagree.

adj. [before a noun]

2. direct from the source:
   firsthand knowledge.

WordReference Random House Unabridged Dictionary of American English © 2025

first•hand  (fûrst′hand′), adv. 

1. from the first or original source:
   We heard the news of the accident firsthand from a witness.

adj. 

2. of or pertaining to the first or original source.
3. direct from the original source:
   firsthand knowledge of the riot.

Also, first′-hand′. 

• first + hand 1690–1700