PS

*ŝyḫ - to be high, to grow (Kogan 2015:577, fn. 1500)

Akkadian
šâḫu - to grow (in size or age) (CAD Š₁ 106, AHw. 1224)
Arabic
šyḫ - to grow old (Lane 1628)
Tigre
šəḥ - thousand (WTS 207)
probably related to *ŝyḫ - “big, high number”? (Kogan 2015: 577)
Tigrinya
šəḥ - thousand (TED 809)
probably related to *ŝyḫ - “big, high number”? (Kogan 2015: 577)
Amharic
ši - thousand (AED 601)
probably related to *ŝyḫ - “big, high number”? (Kogan 2015: 577)
Wolane
ši - thousand (EDG 570)
probably related to *ŝyḫ - “big, high number”? (Kogan 2015: 577)
Zway
ši - thousand (EDG 570)
probably related to *ŝyḫ - “big, high number”? (Kogan 2015: 577)
Ezha
ši - thousand (EDG 570)
probably related to *ŝyḫ - “big, high number”? (Kogan 2015: 577)
Endegen
šī - thousand (EDG 570)
probably related to *ŝyḫ - “big, high number”? (Kogan 2015: 577)
Muher
ši - thousand (EDG 570)
probably related to *ŝyḫ - “big, high number”? (Kogan 2015: 577)
Masqan
ši - thousand (EDG 570)
probably related to *ŝyḫ - “big, high number”? (Kogan 2015: 577)
Gogot
ši - thousand (EDG 570)
probably related to *ŝyḫ - “big, high number”? (Kogan 2015: 577)
Soddo
ši - thousand (EDG 570)
probably related to *ŝyḫ - “big, high number”? (Kogan 2015: 577)
Mehri
ŝōḫ - big, old, oldest, senior (only masculine) (ML 391)
The feminine form of the adjective “big” is nōb (ML 306). The suppletivism is lost “in the Mehri variety registered in MTjŠ, where ŝōḫ has a non-suppletive feminine form ŝaḫt.” (Kogan 2015:577, fn. 1499)