More about ullage
If ever there was a Scrabble word, ullage is that word. In Anglo-French the word is spelled ulliage; Old French records many spellings, e.g., ouillage, (h)eullage, œillage; Middle English has ulage, oylage. The French noun ultimately comes from ouil “eye,” also “bunghole,” from Latin oculus “eye.” The very common Romance suffix -age, prolific in English, comes from Late Latin -agium, a suffix for forming nouns, a derivation of Latin -āticum, the neuter of the adjective suffix -āticus. The suffix -āticus is an extension of -ātus, the past participle ending of first conjugation verbs. Ullage entered English in the 15th century.