of Tertiary
Source: Webster's dictionaryAfter the innermost tertiaries are moulted, the secondaries starting from the innermost begin to drop and this proceeds to the outer feathers (centrifugal moult). Source: Internet
Catherine received the habit of a Dominican tertiary from the friars of the Order after vigorous protests from the tertiaries themselves, who up to that point had been only widows. Source: Internet
When the fifth of sixth primary is replaced, the outermost tertiaries begin to drop. Source: Internet