noun, adverb
innate nature; natural disposition; inborn quality
Refers to a quality or talent one is born with, often used in adverbial form 天性の to mean 'by nature' or 'innate'.
彼は天性の音楽家だ。
He is a born musician.
彼女には天性のリーダーシップがある。
She has innate leadership qualities.
Compound of 天 (heaven, nature) and 性 (nature, character), literally 'heaven-given nature'. The exact historical derivation is uncertain, but the spelling is conventionally associated with innate qualities.