As a Hindi name

सुभगा · adj

स्त्री॰ · सुंदरी । खूबसूरत (स्त्री) · (स्त्री) जिसका पति जीवित हो । सौभाग्यवती । सुहागिन — Śabdasāgara

सुभगा · noun · feminine

वह स्त्री जो अपने पति को प्रिय हो । प्रियतमा पत्नी · स्कंद की एक मातृका का नाम · पाँच वर्ष की कुमारी — Śabdasāgara

सुभगा · su-bhagā · s.f.

A woman beloved by her husband; a favourite wife; an honoured mother of a family — Platts (1884), digital edition courtesy DSAL, University of Chicago, p. 633

Cited formation "सुभगा" is सुभग + -आ: सुभग means "fortunate; blessed", and the suffix -आ forms abstract, agent, action or instrumental nouns (masc.); also past participles. CHD Basic Grammar App. I §8(3) — cited from the extracted rule table

Cited formation "सुभगा" is सुभग + -आ: सुभग means "fortunate; blessed", and the suffix -आ forms 'having' (adjectives). CHD Basic Grammar App. I §9(1) — cited from the extracted rule table