13th cent. From Vulgar Latin *esca "kindling." From Latin esca "food," from esse "to eat."
From Proto-Italic *ed- "to eat" (see note under comer for a continuing etymology).
Romance: Western Vulgar Latin: Asturian yesca, Portuguese isca, Galician esca, Catalan esca, French esche, Italian esca ; Eastern Vulgar Latin: Aromanian eascã, Romanian iască
Italic: Oscan edum "to eat"
Indo-European: Celtic: Old Irish ithid "to eat;" Germanic: Gothic itan "to eat," Old Norse eta 'id.,' Old High German ezzan 'id.,' Old Saxon etan 'id.,' Old English etan 'id.' (English to eat); Balto-Slavic: Old Church Slavonic jasti "to eat," Russian est' 'id.,' Czech jísti 'id.,' Polish jeść 'id.,' Slovene jẹ́sti 'id.,' Old Prussian īst 'id.,' Lithuanian ė́sti 'id.,' Latvian êst 'id.;' Hellenic: Ancient Greek ἔδειν (édein) "to eat;" Armenian: owtem "to eat;" Indo-Iranian: Sanskrit ádmi "I eat;" Tocharian: A nätsw- "to starve," B mätsts- 'id.;' Anatolian: Hittite ed-zi "to eat," Cuneiform Luwian ād- 'id.,' Palaic ad- 'id.'