No, you want 'eiga'.

You didn't specify which verb for 'to own' you wanted :o)

Here's 'eiga' for you...

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Infin. : 'eiga' (to have, to own)

Indic. Pr. Sing. 1: 'a'
2: 'att'
3: 'a'

Indic. Pr. Pl. 1: 'eigum'
2: 'eigu?
3: 'eigu'

Past: 'atta', &c.

Subj. Pres.: 'eiga', &c.
Past: 'etta', &c.

Imper. Sg.: 'eig'

Pres. Part.: 'eigandi'

Past Part.: 'attr'