BONE

Tocharian B word "āk" had a meaning of "ear of grain". The word for "ear of grain" in Russian is "ость" (ost'), which is the same as Polish "ość" which denotes a "fishbone".
The shape of "ear of grain" truly resembles that of a "fishbone".
Latin "arista" (?asista) means exactly "awn" (beard of grain) and "ear of grain".
Latin "agna" means "ear of wheat", Lithuanian "ašnìs" is "edge, blade", Czech "osina" is "awn", Ancient Greek "ἄκαινα (ákaina)" is "spike, prick" and "ἄκανος (ákanos)" is "pine-thistle", Sanskrit "अशनि (aśáni)" is "thunderbolt, arrow tip".
All of those words direct us to the root of the Indo-European word for "bone" taken from something like "blade or a sharp object" or in general something that looks like "ear of grain".
Lithuanian "akuotas" is the best proof of this theory because it means: "awn, barb, BEARD and fishbone".
OS-
Ancient Greek: ὀστέον (ostéon)
Greek: οστό (ostó)
Latin: os
Catalan: os
French: os
Galician: óso
Occitan: òs
Portuguese: osso
Romanian: os
Romansch: oss
Sardinian: ossu
Sicilian: ossu
Istro-Romanian: os
Italian: osso
Venetian: oso
Aromanian: os
Polish: ość (os't') ("fishbone")
Old Armenian: ոսկր (oskr)
Armenian: ոսկոր (oskor)
Persian: استخوان (ostohân)
KOS-
---> Estonian: koht, kont
Serbo-Croatian: кост kost
Belarusian: костка (kostka)
Polish: kość
Bulgarian: кост (kost)
Czech: kost
Russian: кость (kost')
Slovenian: kosti
Slovak: kosť
Slavic Macedonian: коска (koska)
KA-
Latvian: kauls
Lithuanian: kaulas
Old Prussian: kaulan
HAS-
Hittite: ḫa-aš-ta-a-i /ḫaštāi/
Luwian: ḫa-a-aš-ša /ḫāšša/
AS-
Sanskrit: अस्थि (ásthi)
Hindi: अस्थि (ásthi)
Telugu: asthi
Urdu: استھ (ásthi)
Avestan: asti
Persian: است (ast)
Tocharian B: āsta ("bones")
Albanian: asht, ahstë
Latvian: asaka ("fishbone")
Lithuanian: ašaka ("fishbone")
Welsh: asgwrn, ais, asen
Old Irish: asna
Scottish Gaelic: asna
Tocharian B: āy
ACK-
Old Prussian: ackons ("fishbone, awn")
-U-S-
Megleno-Romanian: uos
Mirandese: uosso
Istriot: uosso
Aragonese: güeso
Asturian: güesu
Spanish: hueso
Dalmatian: vuas
Friulian: vues
OTHER
Irish: easna
Kurdish: hestî
Kamviri: âṭi
Romansch: ies
Article created on the 9th of June 2018.