As a Hindi name

सुखी · adj

सुख से युक्त । जिसे किसी प्रकार का कष्ट न हो, सब प्रकार का सुख हो । आनंदित । खुश । जैसे,—जो लोग सुखी हैं, वे दीन दुखियों का हाल क्या जानें — Śabdasāgara

सुखी · noun · masculine

यति । संत — Śabdasāgara

सुखी · sukhī · adj.

Well-pleased, glad, happy, tranquil, at ease, comfortable, contented; possessing happiness or pleasure; pleasant — Platts (1884), digital edition courtesy DSAL, University of Chicago, p. 667

सुखी

pleased, comfortable, happy, contented

Cited formation "सुखी" is सुख + -ई: सुख means "happiness, pleasure, gratification", and the suffix -ई forms abstract nouns (fem.). CHD Basic Grammar App. I §8(14) — cited from the extracted rule table

Cited formation "सुखी" is सुखना + -ई: सुखना means "= sūkhnā, q.v", and the suffix -ई forms abstract nouns (fem.). CHD Basic Grammar App. I §8(14) — cited from the extracted rule table — base gloss: Platts (1884), digital edition courtesy DSAL, University of Chicago

a Hindi word, a tatsama: the Sanskrit word borrowed unchanged into Hindi सुखी — per Wiktionary’s etymology record

“Borrowed from Sanskrit सुखी (sukhī), masculine nominative singular of सुखिन् (sukhin).” — per Wiktionary’s etymology record