From 𐤀𐤇 (ʾḥ /ʾaḫī/, “my brother”) + 𐤓𐤌 (rm /ramm/, “exalted”), meaning "my brother is exalted." Akin to Biblical Hebrew אֲחִירָם (ʾaḫīrām).
𐤀𐤇𐤓𐤌 (ʾḥrm /ʾaḫīramm/)