From Wiktionary, the free dictionary
լեզու (lezu) + -ա- (-a-) + ծայր (cayr)
լեզուածայր • (lezuacayr)
- pronounced with the tip of the tongue
- Petrosean, Matatʻeay (1879) “լեզուածայր”, in Nor Baṙagirkʻ Hay-Angliarēn [New Dictionary Armenian–English], Venice: S. Lazarus Armenian Academy