portrait; portrait painting
Refers specifically to a painted or drawn portrait, as opposed to a photographic portrait (which is usually 肖像写真).
I saw a portrait of the Mona Lisa at the art museum.
He painted a portrait of the company president.
肖像画 specifically means a painted or drawn portrait in traditional fine-art contexts, while ポートレート more commonly refers to a portrait photograph.
自画像 refers specifically to a portrait an artist paints of themselves, while 肖像画 is the general term for a portrait of any person, including others.
肖像画 is a formal painted portrait, often of a historical figure, whereas 似顔 is a casual sketch or caricature capturing a likeness.
Compound of 肖像 (しょうぞう, 'portrait, likeness') and 画 (が, 'picture, painting').