From Old Irish óclachas m (“the age of manhood; manly vigour, valour, quality or functions of a warrior; service, vassalage; name of a late kind of verse”), from óclach m (“young man; young warrior; warrior, soldier; attendant, servant, vassal”).
òglachas m (genitive singular òglachais, no plural)
- farm service
- servitude, slavery, vassalage
- the fourth stage of human life, from 34 to 54 years of age
- (prosody) a kind of Gaelic verse