Proto-IE: *g'herk(ʷ)-,-g(ʷ)-
Meaning: fork
Latin: furca f. `zweizackige Gabel; Stützpfahl, Tragreff, Halsblock als Strafwerkzeug, Galgen, Joch, Engpass'; furcula 'kleine Gabel, Tragreff, Stützstange; Engpass'
Russ. meaning: рогатка
References: WP I 629
Comments: Lat. -с- in furca may be a secondary analogy with furcula < *g'hrg-tlā (cf. its second meaning hardly derivable from diminutive semantics).