A noun formed as an instrumental of the root √KAW “shelter”, thus used “for any protection or shelter natural or otherwise, sc. against sun, or rain, or wind — or against darts. It was often used = shield” (PE17/108).
Quenya
cauma
protection or shelter natural or otherwise, sc. against sun, or rain, or wind or against darts; shield
cauma
noun. protection, shelter; shield
varilë
protection
[varilë] noun "protection" (VT45:7)
varnë
protection
[varnë] (2) noun "protection" (BAR)
cauma ("k")noun "protection or shelter natural or otherwise, sc. against sun, or rain, or wind or against darts; shield" (PE17:108)