כָּנַס (kānas) is
a Hebrew verb
meaning gather. It appears
11 times
in 7 books of the Hebrew Bible
(Strong's H3664).
Same Hebrew root (TWOT 1000)
Range of meaning (TWOT 1000)gather, collect; narrow when one gathers oneself together; enfold; heap up, wrap self
Full entry: Brown-Driver-Briggs and Strong's
כָּנַסverb: gather, collect
Qalgather
Hithpaeland the covering is (too) narrow when one gathers oneself together, i.e. the bed is too short to stretch oneself at full length, the covering becomes too narrow.
Strong's H3664כָּנַס: to collect; hence, to enfold KJV:gather (together), heap up, wrap self.
Meanings: Brown-Driver-Briggs (1906) and Strong's Hebrew Dictionary (1890), public domain, via the Open Scriptures Hebrew Bible Project (CC BY 4.0). TWOT numbers for reference only.