Where does “гама́к” come from?

гама́к (Russian) comes from French hamac, from Spanish hamaca, from Taíno hamaca.

Ancestry of “гама́к”, step by step

Step	Language	Word	Meaning
1	French	hamac	hammock
2	Spanish	hamaca	hammock; swing
3	Taíno	hamaca	—

гама́к — Etymology, Origin & Word History | Etymology Explorer