grain, seed <measure of weight> 3 realizations
ACCEPTED Realization 1
type Polysemy
language Ancient Greek
lexeme κεράτιον
meaning 1 fruit of the carob
direction
meaning 2 carat, 1⁄1728 of a pound
reference LSJ
comment

Dsc. ap. Gal.19.775, Archig. ap. Aët. 6.37, Hero *Mens.60.21, Just.Nou.32.1

ACCEPTED Realization 2
type Polysemy
language English
lexeme grain
meaning 1 single seed of grass food crops

a grain of wheat

direction
meaning 2 any of various small units of mass originally notionally based on grain's weight, variously standardized at different places and times
reference OED
comment

The English grain (troy grain) of 1⁄5760 troy pound or 1⁄7000 pound avoirdupois, now exactly 64.79891 mg.
The metric, carat, or pearl grain of 1⁄4 carat used for measuring precious stones and pearls, now exactly 50 mg.
(historical) The French grain of 1⁄9216 livre, equivalent to 53.11 mg at metricization and equal to exactly 54.25 mg from 1812–1839 as part of the mesures usuelles.

ACCEPTED Realization 3
type Derivation
language Hungarian
lexeme 1 szem
lexeme 2 szemer
meaning 1 grain, seed
direction
meaning 2 (archaic, historical, pharmacy) grain (unit of weight)
reference MEK 1978
comment

Created during the Hungarian language reform, which took place in the 18th–19th centuries.