ὀλιγάδελφος
ὀλιγάδελφος, having few brothers
Could not find Ὀλίγασυς in Logeion dictionaries.
Ὀλίγασυς Proper-name noun: masculine nominative singular of Ὀλίγασυς
ὀλῐγ-άδελφος [ᾰ], ον,
- having few brothers, Vett.Val. 123.7.