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phasis

obsolete

phasis is a noun meaning “A phase (of the moon, a planet etc.)” (English Wiktionary, September 2026). It is spelled P-H-A-S-I-S, and it appears about once in every 39 million words in written English (wordfreq, 2021 data, counting Phasis, the name). The plural of phasis is phases.

What does phasis mean?

noun

  1. 1

    obsoleteA phase (of the moon, a planet etc.).

  2. 2

    obsoleteAny phase or aspect of something.

  3. 3

    archaicThe first appearance of the new moon.

Source: English Wiktionary, dump of September 2, 2026 (CC BY-SA 4.0), through kaikki.org (Wiktextract).

How common is phasis?

Phasis appears about once in every 39 million words in written English, the 191,932nd most frequent word form in the list. The list counts every capitalisation together, so this includes Phasis, the name.

Source: written frequency: wordfreq 3.1 (a 2021 snapshot of Wikipedia, subtitles, news, books, web text and social media).

Where does phasis come from?

From Late Latin phasis, or its source, Ancient Greek φάσις (phásis, “appearance”).

Source: English Wiktionary, dump of September 2, 2026 (CC BY-SA 4.0), through kaikki.org (Wiktextract).