Semitic Etymological Database
kéfed mek éľbeb ‘You are angry (lit. your heart is narrow)’ (Kogan - Bulakh 2019:309)
This word is grammatically masculine in spite of specifically designating a female animal.
The plural of this word is masculine with regard to concord (see discussion in CSOL I 8:9).
Probably, related to PCS *ˀil(ay) ‘towards’