Coptic toponym of #World_Elephant_Day!

The #Coptic name for the island of Elephantine https://abs.twimg.com/emoji/v2/... draggable="false" alt="👇" title="Rückhand Zeigefinger nach unten" aria-label="Emoji: Rückhand Zeigefinger nach unten"> on the Upper Nile is Ⲓⲏⲃ or Ⲉⲓⲏⲃ (𝘌)𝘪ē𝘣, probably pronounced /je(ː)β/.

The name of this island has been attested from very early on, represented by #Egyptian ꜣ𝘣𝘸 (& #39;elephant& #39;).

So, even back in the Middle Kingdom, there was some association of the name of the island with "elephant".

Linguists reconstruct the pronunciation of early Middle Egyptian ꜣ𝘣𝘸 as */ˈʀuːbaw/, from which Coptic /je(ː)β/ is a more-or-less regular derivation — the reading ...

... /ʀ-/ for ꜣ- being motivated by some Afro-Asiatic comparative evidence. Alternatively, there is the possibility that Egyptian ꜣ𝘣𝘸 is related to Chadic *𝘭𝘦𝘣- words for & #39;elephant& #39;, e.g., Tangale 𝘭𝘢𝘣𝘢𝘵𝘢.

In any case, both English 𝘪𝘷𝘰𝘳𝘺 and 𝘦𝘭𝘦𝘱𝘩𝘢𝘯𝘵 ...

... may be related Egyptian root through Mediterranean intermediaries.

English 𝘪𝘷𝘰𝘳𝘺 can be traced back to Latin ᴇʙᴠʀ 𝘦𝘣𝘶𝘳 (via Anglo-Norman French), itself a loan from Demotic 𝘺𝘣 (< earlier Egyptian ꜣ𝘣𝘸).

English 𝘦𝘭𝘦𝘱𝘩𝘢𝘯𝘵 is a loan from ...

... Greek ἐλέφᾱς 𝘦𝘭é𝘱ʰā𝘴, the first half of which is usually taken to be partly a loan from Berber *𝘦ḷ𝘶 (cf. Tamasheq ⴰⵍⵓ 𝘢𝘭𝘶), and the second part possibly from Egyptian ꜣ𝘣𝘸 (but see also Sanskrit इभ 𝘪𝘣ʰ𝘢).

I am not sure why none of the sources I ...

... have access to relate Berber *𝘦ḷ𝘶 to Chadic *𝘭𝘦𝘣- given that the consonants seem to match and they agree on meaning, but I& #39;m sure there& #39;s a good reason for that.

The modern Egyptian Arabic name of Elephantine جزيرة الفنتين 𝘎𝘢𝘻ī𝘳𝘢𝘵 𝘪𝘭-𝘍𝘢𝘯𝘵ī𝘯 ...

... (& #39;Elephantine Island & #39;) is a loan from Greek Ἐλεφαντίνη 𝘌𝘭𝘦𝘱ʰ𝘢𝘯𝘵í𝘯ē with, what looks to me like, the Greek initial syllable 𝘦𝘭- having been re-bracketed as the Arabic definite article!!