-அத்து-

• IPA^(key): /ɐt̪ːʊ/, [ɐt̪ːɯ]

-அத்து- • (-attu-)

1. a euphonic increment, usually inserted between a noun which ends in -அம் (-am) and its case-ending (-அம் (-am) being dropped)

   ‎மரம் (maram) + ‎-அத்து- (-attu-) + ‎-கு (-ku) → ‎மரத்துக்கு (marattukku)

• University of Madras (1924–1936), “அத்து”, in Tamil Lexicon, Madras [Chennai]: Diocesan Press
• Johann Philipp Fabricius (1779), “அத்து”, in A Malabar and English Dictionary, Tranquebar: Evangelical Lutheran Mission Pub. House; republished as Tamil and English Dictionary, 1972
• Miron Winslow (1862), “அத்து”, in A comprehensive Tamil and English dictionary of high and low Tamil, Madras: P. R. Hunt
• N. Kathiraiver Pillai (1889), “அத்து”, in தமிழ் மொழி அகராதி [Tamil language dictionary] (in Tamil), Chennai: Pi. Ve. Namacivaya Mutaliyar, published 1928