dvīnis

Etymology
From (with an extra suffix, ), from , whence also  (q.v.). Cognates include 🇨🇬, 🇨🇬 (< ), 🇨🇬, 🇨🇬, 🇨🇬 (< ).

Noun

 * 1) (male) twin a boy born together with another child from one mother

Usage notes
The singular forms exist but are much less frequent in actual usage than the plural forms (e.g.,, with  used adjectivally, is more frequent than ).