-ело

Etymology 1
Sparsely attested, from an earlier. Possibly built upon the instrumental suffix, appended to forms ending in ě-stem (similar to 🇨🇬, ), or less likely from +. Virtually unproductive in Modern Bulgarian and in other Slavic languages.

Episodic cognates include 🇨🇬, 🇨🇬.

Suffix

 * dialectal (ě/V-conj) →
 * , dialectal → *колея →
 * , dialectal → *колея →
 * , dialectal → *колея →

Etymology 2
From, possibly reanalyzed from Etymology 1.