Proto-IE: *spēy- (sph-)
Meaning: prickle, pointed stick
Tokharian: A dat. spinae `Haken, Pflock'; B ṣpikiye 'crutch' (Adams 667)
Old Indian: sphyá- n. `a flat piece of wood shaped like a sword for ritual purposes; spar or boom (of ship's sails); a k. of oar'
Armenian: phkhin `Pfeil, Wurfspiess'
Old Greek: spílo-s f.; spilás, -ádos `Fels, Riff', sphḗn, gen. sphēn-ós m. `Keil'; sphaníon = klinídion, en sphaníōi̯ = en klinaríōi̯ Hsch.
Slavic: *spīljā `большая игла, шпилька': чеш. spíle, польск. śpila
Latin: spīca f.; spīcus, -ī m.; spīcum, -ī n. `Ähre', spīculum, spīcula `Lanzenspitze'
Russ. meaning: колючка, остроконечная деревяжка
References: WP II 652 f
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