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Webster 1913 Edition

adv.

In ancient times.

In an ancient manner.

[R.]

adv.

In old times; in times long since past; as Rome was anciently more populous than at present.

anciently ‎(comparative more anciently, superlative most anciently)

In the manner of very long ago. As the ancients did.
Done long ago.
The anciently written inscriptions in the pyramids can still be read.

in the manner of very long ago