The Ancient Macedonian word βίῥῥοξ
Word βίῥῥοξ
b i. r̥ r̥ o ks
IPA bi.r̥r̥oks
Meaning shaggy, hairy, dense
See also Pre-Celtic: *birro ‘short’
Pre-Greek: βίρρος ‘kind of cloak’

Comments

Hesychius

According to Beekes (2007), this is a pre-Greek word. Possibly a European substratum word?

Sowa analyzes it as an inherited IE form *gṷrih3-.

See also Pisani (1937), Fick (1888) and Sowa (2012).


Other words that might be of interest
ἀβαρκνᾷ ‘hair’, ἀβροῦτες ‘eyebrows’, κεβαλή ‘head’, κεβλή ‘head’, γαβαλά ‘brain, head’, λαυκανία ‘throat, neck, tongue’