I guess this shows the young Sun in the east, his first rays somewhat like a pair of flames stretching upwards. At least it definitely gives the impression of being the Morning Sun just above the horizon.

And because it is the first item in this ordered sequence of glyphs I presume it was intended to illustrate the sun at its first appearance, i.e. in the east.

Furthermore Metoro said ero. I can't find that word but it looks suspiciously close to:

hiero = "to shine, to appear (of the rays of the sun just before sunrise). He hiero te raá, dawn breaks." (Vanaga)

As for Metoro's preceding word ka:

ka = "particle of the affirmative imperative, of cardinal numerals, of independent ordinal numerals, and of emphatic exclamation, e.g. ka-maitaki! how nice!"

But then ka might also be :

= "to light a fire in order to cook in the earth oven (see umu): he-ká i te umu, he-ká i te kai."

In my Polynesian dictionary I have created a list of some of Metoro's frequent words. Furthermore, I have also listed all his words in parallel with every glyph on the tablets he read for Bishop Jaussen on Tahiti.

By using these search facilities we can first establish that his ero has not been listed by me, but by searching through all his words when he read the A tablet we can find one more instance:

*142

Aa1-16

Aa2-68 (158 = 16 + 142)

ka ero

ka ero nei ia - ma te maro

a1 90 90 b1 82 82
a2 85 175 b2 85 167
a3 76 251 b3 77 244
a4 82 333 b4 80 324
a5 83 416 b5 80 404
a6 84 500 b6 92 496
a7 85 585 b7 84 580
a8 85 670 b8 84 664
sum 670 sum 664

Then we should search for ero also in the B, C, and E texts. But Metoro never said ero when reading the B and E texts. However in the C text we will find one instance:

Cb9-1 (392 + 201 = 593)
Vai o ero hia

Vai means water, we know, and the little word hia is essential for us, because eventually I did find out that it should probably be translated as 'Count here!'

a1 26 26 b1 24 24
a2 25 51 b2 25 49
a3 25 76 b3 22 71
a4 29 105 b4 23 94
a5 35 140 b5 21 115
a6 28 168 b6 29 144
a7 31 199 b7 27 171
a8 29 228 b8 29 200
a9 27 255 b9 30 230
a10 29 284 b10 22 252
a11 32 316 b11 22 274
a12 27 343 b12 25 299
a13 20 363 b13 30 329
a14 29 392 b14 19 348
sum 392 sum 348

We could for instance count 593 (Cb9-1) - 273 (September 30) = 320 = 392 (side a) + 348 (side b) - 420..

 

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