-thid

See also: þid and þið

Old Irish

Alternative forms

-tid (delenited after d, l, n, s, t(h))

Etymology

Rebracketing of -id (agentive suffix) after a stem ending in th or d.

Pronunciation

IPA^(key): [θʲiðʲ]

Suffix

-thid m

Forms a noun of agency from verbal noun or verb.
‎sechem (“(act of) following”) + ‎-thid → ‎sechimthid (“follower”)

‎foglaimm (“learning”) + ‎-thid → ‎foglimthid (“pupil”)

‎in·greinn (“to persecute”) + ‎-thid → ‎ingrentid (“persecutor”)

Usage notes

This suffix forms i-stem nouns.

Declension

Masculine i-stem
	singular	dual	plural
nominative	-thid	-thid^L	-thidi^H
vocative	-thid	-thid^L	-thidi^H
accusative	-thid^N	-thid^L	-thidi^H
genitive	-thedo^H, -theda^H	-thedo^H, -theda^H	-thide^N
dative	-thid^L	-thidib	-thidib

Initial mutations of a following adjective:

^H = triggers aspiration
^L = triggers lenition
^N = triggers nasalization

Derived terms

Old Irish terms suffixed with -thid

Further reading

Thurneysen, Rudolf (1940) [1909], D. A. Binchy and Osborn Bergin, transl., A Grammar of Old Irish, Dublin Institute for Advanced Studies, translation of Handbuch des Alt-Irischen (in German), →ISBN, § 267, page 171; reprinted 2017