na-adjective
Describes a pleasantly rounded body or shape, often with a positive, soft connotation. Used for people, body parts, or objects.
赤ちゃんのふくよかな頬がかわいい。
The baby's plump cheeks are cute.
彼女はふくよかな体型をしている。
She has a full-figured build.
na-adjective
rich; mellow; pleasant (fragrance)
Used for a soft, rich, and pleasant scent, often of flowers, fruits, or perfume. Conveys a gentle, enveloping quality.
部屋にふくよかな香りが漂っている。
A rich fragrance is drifting through the room.
The word is likely derived from the mimetic root ふく (suggesting swelling or soft fullness) combined with the adjectival suffix やか. The exact historical derivation is uncertain.