Sindarin 

thain

adjective. law-abiding, regular, normal, *lawful, formal, according to custom

Sindarin Group: Eldamo - neologism/reconstructions. Published by

thain

noun. law, rule

Sindarin Group: Eldamo - neologism/reconstructions. Published by

tann

sign

(i dann), construct tan, pl. tain (i thain)** **(MR:185)

tân

maker

(i dân, o thân), only attested as -dan or -than as the final element of compounds, e.g. Círdan ”Ship-maker”). Construct tan, pl. tain (i thain)

theinas

noun. law, rule

Sindarin Group: Eldamo - neologism/reconstructions. Published by