The Ancient Macedonian word ἄργος
Word ἄργος
á r ɟ o ς
IPA ̝árɟoς
Meaning field, plain, valley
See also Proto-Indo-European: *ar(e)-ĝ- ‘glittering, bright, white, fast’
Thracian: argilos ‘mouse’

Comments

A Thessalo-Macedonian word.

Eustathios

"ὡς νεώτεροι Μακεδόνες καὶ Θετταλοὶ Ἄργος καὶ τὸ ἁπλῶς πεδίον φασὶ, καὶ ἐν ἄλλοις δεδήλωται"

Strabo

"Ἄργος δὲ καὶ τὸ πεδίον λέγεται παρὰ τοῖς νεωτέροις, παρ᾽ Ὁμήρῳ δ᾽ οὐδ᾽ ἅπαξ: μάλιστα δ᾽ οἴονται Μακεδονικὸν καὶ Θετταλικὸν εἶναι."

From PIE *arg- "bright, fast" etc in the sense of a "clearing, glade".


Other words that might be of interest
Ἄθως ‘mountain name’, ἄξος ‘wood, timber, lumber’, δάρυλλος ‘oak’, καλαῥῥυγαί ‘ditches, moats’, Κισσοῦς ‘mountain name’, Νῦσα ‘mountain name’, λείβηθρον ‘place name, spring, ditch, kennel’, Πέτρα ‘place name, stone’, καλαρρυϝά ‘ditch’