English

trithionic acid

From tri- + thionic + acid.

Formed from tri- + thionic

Proto-Indo-European *tri- ‘three, threefold’

Proto-Italic *tri- ‘three, tri-’

English tri-

Today it means

noun A thionic acid, H₂S₃O₆.

Language periods are conventional ranges, not dates for this word.

Etymograph / trithionic acid

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