Ah, and one last entry from the Academy’s Historical Dictionary:
ἀρκᾶς m., widely and in Cappadocia (Sinassos) ἀρκᾶ; Tsakonian ἀρκὰ f.; Pontic (Kromni, Chaldia, etc.) ἀρχὰ; Pontic (Chaldia, etc.) ἀρκὰ; Bithynian neut.
From Turkish arka. A. Literally. 1. The back, the rear, of living beings and inanimate objects in various places: The back of the waistcoat, Rhodes. The back of the knife (the part opposite the blade), Bithynia. “Don’t strike with the sharp edge; strike it with the back,” ibid. “A back-load of wood” (as much wood as one can carry on one’s back and, by extension, as much as one can carry in one’s arms), Megiste. ‖ Proverb. “No back and no sleeve, yet you want to make a garment” (of someone attempting to do something while lacking the necessary means), Macedonia (Serres). 2. The part of a ship where the prow is supported, Chios. 3. The arch of a bridge, Epirus. 4. A heap of earth or stones, Central Greece (Aetolia). 5. A stone-built wall of a house, from its foundations to its roof, Macedonia (Siatista). 6. Bulk, Peloponnese (Olympia): “That pasta you’re eating will turn into a lump inside you.” 7. A thick layer of material, Peloponnese (Messenia): Phrase. “He has a back stuck to his face” (his face is unwashed and dirty). 8. An embankment, Epirus (Zagori): “Don’t damage the embankment of your field, because the winter waters will get in.” B. Figuratively. 1. Help, Pontic (Kromni, Chaldia, etc.), Tsakonian: Phrase. “I give arka” (I give help, I help), Chaldia. 2. Helper, protector, defender, in various places and in Cappadocia (Sinassos): “He found an arka,” Kos. “His arka makes him a fine fellow” (he appears to be a fine fellow because he has powerful protection), ibid. “Do you have an arka? Don’t be afraid!” Sinassos. “He has an arka and does these things,” Bithynia. “He is not afraid; he has strong arkas” (synonym: he has powerful backing), ibid. ‖ Phrase. “I’ll catch you by the back for the shoulders” (I don’t need you; I despise you), Ionian (Kriti). “I’ll catch you by the back for the flies” (synonymous with the preceding), Peloponnese (Messenia). ‖ Proverb. “The bear had arkades, and she gathered arkades” (of an unjust or rapacious person who is supported by others), Bithynia. ‖ Song. “Shall I call on God as my arka, and Charon as my avenger, to take you swiftly, so that I may take you,” Cyprus. 3. Master, ruler, Peloponnese (Laconia): “What, shall I make you the arka of my head?” (said to someone who wants to impose himself on us).
The word is also used as a surname. Pár.
(We turned it into a Sarantakos one!) 