Leiothrix
LYE-oh-thriks
Genus
smooth-haired one
Literally: smooth hair
| Part | Meaning | Language | Note |
|---|---|---|---|
| leio- | Smooth | Greek (lei, -o) | combining form leio- (lei + connecting vowel -o-) |
| -thrix | Hair | Greek (=thrix) | terminal form of thrix; used as a compound final element meaning 'hair' or 'haired one' |
A single-word genus name formed from two Greek roots joined directly: leio- (smooth) + -thrix (hair). The compound is a noun in apposition treated as feminine in Latin (as thrix is feminine in Greek), following the standard pattern for genus names ending in -thrix.
Pronunciation
- lee-oh-THRIKS Three syllables: lee-oh-thriks. Penult is 'thriks' (short vowel + two consonants th+r, but 'thr' functions as a mute+liquid cluster). However, the vowel in the penult 'thrix' is short and followed by a single final consonant cluster that does not qualify for penult stress promotion via the double-consonant rule (th+r is mute+liquid, which is excepted). Therefore stress falls on the antepenult 'lei' — but 'lei' is a diphthong (ei = long i / 'eye'), which gives the antepenult a long vowel. Stress: antepenult LEI = 'lee-oh'. Wait — ei diphthong = long i 'eye'... so 'LYE-oh-thriks'. Common usage in ornithology is 'lee-oh-THRIKS'. Applying rules strictly: antepenult stress, ei = long i = 'eye', giving LYE-oh-thriks.
Commonly: lee-oh-THRIKS (common usage in ornithology stresses the penult)
Other readings
leio- could alternatively carry its secondary sense 'the left-hand side' (from the second dictionary entry for leio), giving 'left-sided hair', but the primary sense 'smooth' is almost certainly intended and is the standard reading in ornithology.
Leiothrix is a bird genus (family Leiothrichidae) containing the Pekin robin (L. lutea) and the silver-eared mesia (L. argentauris). The name likely refers to the smooth, sleek plumage of the head feathers. The diphthong ei is correctly pronounced as long i ('eye') per the stated pronunciation rules, giving strict stress on the antepenult: LYE-oh-thriks. Common ornithological usage often says lee-oh-THRIKS, shifting stress to the penult, which departs from classical rules. thrix (=thrix) is a common terminal element in biological genera referring to hair or hair-like structures (cf. Nemichthys, Oligotricha, etc.).