PS

*γmd - to cover, to wrap, to make obscure, invisible (LS 313, Kogan 2001:283)

Akkadian
ḫamādu - to be evasive (CAD Ḫ 58, AHw. 315)

Cf. Kogan 2001:283.

Arabic
γmd - to put a sword in a sheath or scabbard (Lane 2291)
Mehri
aγōməd - to sheathe a sword (ML 137)

Perhaps an Arabism.

Mehri
γəmēd - sunset (ML 138)

Perhaps an Arabism.

Jibbali
γõd - to be hidden, obscured; to set (sun) (JL 86)

Perhaps an Arabism.

Soqotri
(3 sg. f.) ˁemédoʰ - to set (the sun) (LS 313; CSOL I 492; CSOL II 410)