sideform

English

Etymology 1

Uncertain. Apparent etymologies include a learned borrowing from Norwegian sideform, a calque of German Nebenform, and a compound of side +‎ form.

Noun

sideform (plural sideforms)

1. (linguistics, rare) An alternative or variant form of a word or morpheme.

   Synonym: byform

   • 1866-7, George Stephens, “Dialects”, in The Old-Northern Runic Monuments of Scandinavia and England‎^[1], volume 1, H. H. Thiele, page 50:

     The old þina, g. s. of þu, = of-thee, has such sideforms as the oldest Swedish sina, gen. sing, of the reflective pronoun, and as the M. Goth. seina,  […]

   • 1912, Emrik Slettengren, “Aphæresis in Romance and Latin loan-words”, in Contributions to the Study of Aphæretic Words in English‎^[2], Lund: Berlingska Borktryckriet, page 159:

     Whether sen, ten etc. are sometimes side-forms to se, te etc. after ne : nen, is a question that need not occupy us here.

   • 1965, Sumitra Mangesh Katre, Some Problems of Historical Linguistics in Indo-Aryan:

     The normal treatment of ṛ is threefold: a, i, and u, or the side[-]forms ra, ri, and ru.

   • 2007, North-western European Language Evolution, Odense University Press:

     This word is from ON sætr, 'mountain pasture', or its sideform setr, 'a seat, residence', and it was used both in personal and place-names, in the homeland as well as in some of the Western settlements.

   • 2016, Kasper Boye, Complementizer Semantics in European Languages, page 135:

     Swedish, Danish and Norwegian om derives from Old Swedish, Old Danish and Old Norwegian um respectively, and ultimately from äm, æm, em, which most likely were sideforms of ef […]

Etymology 2

Noun

sideform (countable and uncountable, plural sideforms)

1. (construction, uncountable) A process for setting concrete which uses forms to confine the concrete to the desired width.

   Coordinate term: slipform

   • 1982, Charles G. Dyer, Road Construction Technology in South Africa, page 128:

     Two basic methods of paving are in use in South Africa, namely, sideform and slipform. With the sideform method, metal sideforms are used to confine the concrete to the desired width.

2. (countable) Any of the forms used when setting concrete with this method.
   • 1997, Charles ReVelle, Civil and Environmental Systems Engineering, page 184:

     As part of a larger arrow diagram, a contractor wants to include the following activities related to construction of a foundation for a light commercial building: place steel sideforms; pour foundation; excavate for foundation […]