From 母 (kā, “mother”) + ちゃん (-chan, “familiar suffix”). 母(かあ)ちゃん • (kāchan) (term of endearment) mum, mommy ママ (mama): (childish) mama, a childish form...
母(か)っちゃ • (katcha) (dialectal) contraction of <span class="searchmatch">母ちゃん</span> (kā-chan, “mommy”) 1984 October 20 [1983 September 15], Motoka Murakami, “約(やく) 束(そく)の巻(まき) [Promise]”...
【母っちゃ】 [noun] (dialectal) contraction of <span class="searchmatch">母ちゃん</span> (kā-chan, “mommy”)...