Nominal

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late 15th century (as a term in grammar): from Latin nominalis, from nomen, nomin- ‘name’.

wiktionary

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From the Middle English nominalle(“of nouns”), borrowed from Latin nōminālis(“of names”), from nōmen(“name”).

etymonline

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nominal (adj.)

mid-15c., nominalle, "pertaining to nouns," from Latin nominalis "pertaining to a name or names," from nomen (genitive nominis) "name," which is cognate with Old English nama (from PIE root *no-men- "name"). Meaning "of the nature of names" (in distinction to things) is from 1610s. Meaning "being so in name only" is recorded from 1620s.