dororban

Old Irish

Etymology 1

From to- +‎ ro- and probably ·bí (“to exist”).

Verb

do·rorban (prototonic ·torban, verbal noun torbae)

1. to benefit, help

Inflection

Complex, class B IV present, reduplicated preterite, i future, a subjunctive

		1st sg	2nd sg	3rd sg	1st pl	2nd pl	3rd pl	passive sg	passive pl
present indicative	deut.			do·rorban			du·rorbanat
	prot.			·torban			·torbanat
imperfect indicative	deut.
	prot.
preterite	deut.
	prot.
perfect	deut.			do·rorbai
	prot.
future	deut.						dund·órbiat (with infixed pronoun d-, confusion with do·forban)
	prot.
conditional	deut.
	prot.
present subjunctive	deut.			dom·rorbae (with infixed pronoun m-)
	prot.
past subjunctive	deut.
	prot.
imperative
verbal noun		torbae
past participle
verbal of necessity

Etymology 2

From dí- +‎ ro- and probably ·bí (“to exist”).

Verb

do·rorban (prototonic ·derban, verbal noun derbaid)

1. to hinder

Inflection

Complex, class B IV present, reduplicated preterite, i future, a subjunctive

		1st sg	2nd sg	3rd sg	1st pl	2nd pl	3rd pl	passive sg	passive pl
present indicative	deut.						do·rorbenat	do·rorbenar
	prot.			·derban
imperfect indicative	deut.
	prot.
preterite	deut.
	prot.
perfect	deut.			do·rorbai
	prot.
future	deut.	do·rorbiu
	prot.
conditional	deut.
	prot.
present subjunctive	deut.
	prot.			·derba
past subjunctive	deut.
	prot.
imperative
verbal noun		derbaid
past participle
verbal of necessity

Mutation

Mutation of dororban

radical	lenition	nasalization
do·rorban also do·rrorban	do·rorban pronounced with /-r(ʲ)-/	unchanged

Note: Certain mutated forms of some words can never occur in Old Irish.
All possible mutated forms are displayed for convenience.

Further reading

• Gregory Toner, Sharon Arbuthnot, Máire Ní Mhaonaigh, Marie-Luise Theuerkauf, Dagmar Wodtko, editors (2019), “1 do-rorban II 'profits, advantages, helps'”, in eDIL: Electronic Dictionary of the Irish Language
• Gregory Toner, Sharon Arbuthnot, Máire Ní Mhaonaigh, Marie-Luise Theuerkauf, Dagmar Wodtko, editors (2019), “2 do-rorban 'hinders, obstructs, prevents'”, in eDIL: Electronic Dictionary of the Irish Language